Prediction Market Platforms: How They Compare

Prediction markets let people trade contracts tied to possible future events, from presidential election results to the Oscar for Best Actor. A trader buys “Yes” or “No” shares to express whether an event will happen. A correct share pays a fixed amount, typically 1 USD; an incorrect one becomes worthless.
Kalshi and Polymarket account for much of the activity and money in this field. This guide looks at major platforms, contract types, pricing, legal considerations, risks and taxes. Platform access and rules depend on location, and the examples below do not establish Canadian availability.

Overview of Current Platforms

Many prediction market services are available, although only a smaller group attracts substantial trading. Participants tend to favour venues where buying or selling is less likely to shift a contract’s price, so trading volume often gathers on a handful of platforms.

Prediction Market Platforms Compared

Understanding Prediction Markets

A Plain-Language Definition

A prediction market is a venue for contracts whose value depends on a future event. Rather than purchasing company shares, participants buy a stake in an answer to a question, such as “Will the Fed raise interest rates at its next meeting?” or “Will the Dodgers win the World Series?”

A contract’s price reflects the market’s collective estimate of the outcome’s likelihood. If a “Yes” share costs $0.60, the implied probability is about 60%. If the event happens, that share pays $1.00; if it does not, it is worth $0.00.

Imagine a contract asking whether rain will fall in your city tomorrow. You buy a “Yes” share for $0.30. If it rains, the share pays $1.00, leaving a $0.70 profit. If the day stays sunny, the share expires worthless and you lose the $0.30 paid.

If your view changes before the event is settled, you may be able to sell your position to another participant.

Event Contracts with YES/NO Outcomes

Most prediction market contracts use two possible answers: “Yes” and “No”. The combined prices of the two sides total 100%, or $1.00.

Consider the question “Will the Federal Reserve lower interest rates this month?” There are two possible positions.

• “Yes” indicates you expect a rate cut before the month ends.
• “No” indicates you expect no cut during that period.

If the Fed cuts rates, holders of “Yes” receive $1.00 per share, while “No” holders forfeit the amount they paid.

Some contracts list several possible results. A “Who will win the soccer World Cup?” market, for example, could price each team separately. Most contracts, however, use a simple “Yes”/“No” format.

Reading Probability from Prices

Contract prices offer a view of how participants assess an event’s chances. Because the correct outcome pays $1.00, the price in cents can be read as an implied percentage.

A “Yes” share priced at $0.60 implies a market estimate of 60%; the “No” side would be $0.40, or the remaining 40%. A price of $0.00 implies the outcome is seen as impossible, while $1.00 suggests certainty. Prices in between reflect the terms buyers and sellers will accept given the risk.

Prices respond when information changes. Suppose you paid $0.60 for a share, then new data moves the implied probability to 80%. The share is now worth $0.80, so selling before the event concludes could realize a $0.20 profit.

What Drives Price Changes

Several influences can move contract prices:

• New Information: Data releases, polling, leaks and official statements can alter participants’ views quickly, prompting orders that reflect the revised consensus.
• Market Liquidity and Depth: A single large order may move a low-volume market. A deeper order book generally takes more capital to shift by the same amount.
• Order Flow and Positioning: Activity from institutional traders, hedging bots or other large participants can change the balance of orders. Forced selling to manage risk may intensify an existing move.

Prediction Markets Compared with Sportsbooks

Prediction markets and sportsbooks can appear alike, but their underlying trading models differ considerably.

Prediction Markets Compared with Polls

Prediction markets are often said to outperform conventional polls because participants have money at stake. That incentive alone does not ensure a more accurate forecast.

Polls ask respondents who they expect to win or which result they favour. A prediction market asks participants to commit funds to an expected outcome. Without a financial stake, answers may reflect preference or bias, with no direct cost for an inaccurate response.

The question in a market is closer to “what do you think will happen?” than “what would you like to happen?” Putting money at risk may encourage research and make it harder to ignore personal preferences, although it does not remove bias.

Markets can also respond as news arrives, whereas a poll records responses from the time it was conducted.

For a changing event, a market price can provide a timely snapshot of traders’ expectations, but it should not be treated as a definitive forecast or a substitute for polling.

How Prediction Markets Work: A Step-by-Step Guide

A market generally passes through three stages: a question is listed, contracts trade, and the result is settled.

1. Market creation: The platform lists a question about a future event and a deadline, such as “Will Real Madrid win the Champions League this year?” Initial trades establish prices for “Yes” and “No” and their implied probabilities.
2. Market movement: Trading continues while the contract is open. A convincing first match win by Real Madrid could prompt more buying of “Yes” shares and raise their price. An injury to a star player might strengthen “No” and weaken “Yes”. Participants can trade with others or hold until the event ends.
3. Market resolution: After the deadline, the platform consults its named source, such as the UEFA website, to establish the result. If Real Madrid wins, “Yes” holders receive $1.00 per share and “No” holders receive nothing.

Contract Terms and Payouts

These contracts use a fixed payout. The maximum amount paid for a winning share is set in advance, often $1.00, €1.00 or 1 stablecoin such as USDC, depending on the platform.

Contract terms specify the question, available outcomes (usually “Yes” and “No”), settlement method, expiry date and the official source used to verify the result.

A buyer pays the current price, which is also the maximum that position can lose. For a share purchased at $0.60, the maximum loss is $0.60.

After the event and official result are established, settlement is automatic. The platform checks the named source; the losing side falls to $0.00 and the winning side pays $1.00. Subtract the purchase price from the payout to calculate net profit.

Order Books: Bids, Asks and Spreads

Sportsbooks set their own odds, while prediction markets commonly use an order book. It displays the prices participants will pay to buy (bids) and the prices sellers will accept (asks).

Trades generally match one participant with another instead of taking the platform as the counterparty. When a buyer’s bid meets a seller’s ask, the order is executed and that transaction sets a new quoted price.

These order-book terms are useful to know:

• Bid: The highest amount a prospective buyer is offering for a contract.
• Ask: The lowest amount a seller will accept for a contract.
• Spread: The difference between the best bid and best ask. A smaller gap can indicate greater liquidity.

Market Orders and Limit Orders

There are two common approaches to buying contracts: placing a market order or setting a limit order.

A market order seeks the best available price and is filled against the lowest asks in the book. It can enter a position quickly, but where liquidity is limited, a large order may consume several price levels and cost more than expected.

A limit order specifies the price you are prepared to pay. Your bid and quantity join the order book, and a seller must agree to trade at that price or a better one. This sets a ceiling on your purchase price, but the order may remain unfilled if the market never reaches it.

Liquidity and Slippage

In a prediction market, liquidity describes the contracts and funds available in the order book for other participants to trade against.

Where a market is liquid, a large order may fill at one price because enough opposing orders are available. In a thinner market, the order can exhaust the best-priced contracts and fill the rest at worse prices. That adverse price change during execution is known as slippage.

For example, suppose you submit a market order for 100 “Yes” contracts displayed at $0.60 each, expecting a $60.00 cost. The available orders are limited.

• Just 20 contracts are offered at $0.60 ($12.00).
• The following 30 contracts cost $0.65 each ($19.50).
• The remaining 50 needed are available at $0.70 each ($35.00).

The order fills across those three price points immediately. The final bill is $66.50 rather than $60.00.

Fees and the Full Cost of Trading

Consider these potential costs before submitting an order:

• Platform Commissions: Polymarket.com charges minimal fees on some transactions, and blockchain network charges may also apply. Kalshi and Polymarket US publish fee schedules on their websites.
• Spread: The gap between bid and ask can be an indirect cost when entering or exiting with a market order. A wide spread on an illiquid contract means the price may need to move substantially in your favour just to break even.
• Opportunity Cost: Funds committed to a position remain tied up until it resolves. During that time, you cannot use the same money elsewhere or earn interest on it.

How Settlement Works

Settlement begins after the event covered by a contract has concluded. The platform stops trading and waits for its designated source to confirm the outcome. That source could be a government statement, sports federation, company report or another data provider.

Once confirmed, the result is applied to every contract: the winning side pays $1.00 per share and the losing side is valued at $0.00. Winning payouts are credited automatically, the market closes and committed funds are released.

Disputes and Cancelled Markets

Some results are difficult to interpret. Contract wording may not cover an unusual scenario, or the official source may revise its information. A platform may pause the market while it reviews the issue.

Centralized services such as Kalshi and Polymarket US have legal and regulatory processes for managing disputes.

Crypto-native platforms such as Polymarket.com may use blockchain-based dispute processes. Governance-token holders, whose tokens confer voting rights, can vote on the outcome they consider correct.

If a contract is defective or its result cannot be verified, the platform may cancel it. Trades are then reversed and participants receive their original funds back.

Types of Prediction Market

Prediction contracts cover much more than financial events, with questions ranging from inflation releases to weather conditions.

Trending and Breaking-News Markets

These contracts often appear in response to breaking stories and may resolve within hours or minutes. For example, after a recording of a tech CEO making controversial remarks leaks, a market could ask, “Will the CEO resign in the next 24 hours?”

Breaking-news contracts can see fast price swings and heavy activity. They also carry heightened uncertainty because reliable information may be scarce when decisions are made.

Political Markets

Political contracts are a popular category. During a campaign, market prices can react to events as they unfold, though they should not automatically be considered more reliable than conventional polls.

• Elections: Questions may cover winners, party seat counts, vote shares or the date a final result is confirmed.
• Legislation: Markets may concern regulations, bills, court decisions, appointments to political office or judicial approvals.
• Policy Outcomes: Contracts can cover tariffs, tax changes, immigration figures, subsidies and climate targets.
• Geopolitical Events: Participants may trade on government alliances, international agreements, military actions and foreign-policy changes.

Sports and Esports Markets

Sports form another significant part of prediction market activity. Examples include contracts on:

• Match Outcomes: Possible questions include the winner, a draw, the scoring margin or an event such as a red card.
• Tournament Winners: Choose the team or competitor expected to win the full competition.
• Accumulated Results: Longer-term contracts can track player or team statistics, such as a player’s season scoring average or a team’s total goals against.

Crypto Markets

Crypto-focused contracts let participants trade on events such as:

• Price Targets: Contracts may ask whether a cryptocurrency such as Bitcoin reaches a specified price by a set date.
• Regulatory Decisions: Possible markets cover legal cases involving crypto companies, ETF approvals or agency lawsuits, including actions by the CFTC.
• Major Industry Events: Questions may concern protocol upgrades, network forks, airdrops, token launches or outages.

Finance and the Economy

Financial and economic contracts have helped bring prediction markets to wider attention. Examples include:

• Interest Rates: Trade on central-bank decisions, including those by the Federal Reserve or European Central Bank.
• Inflation Reports: Forecast whether the CPI or another inflation measure will rise, fall or remain unchanged.
• Employment Data: Markets may ask about official unemployment claims or changes in non-farm payrolls.
• Economic Milestones: Contracts can concern a technical recession, a country’s credit-rating change or the performance of a stock market index.

Geopolitics and Global Events

These markets may cover wars, including trade conflicts, international treaties, humanitarian events and strategic alliances.

Some platforms limit such contracts. Operators may bar markets that could affect social stability to meet rules in jurisdictions addressing terrorism or violence.

Technology and Business

Contracts can cover product launches, mergers, quarterly earnings and bankruptcy filings. A market might ask when the next iPhone will arrive or whether a private space mission will succeed. Participants who analyse financial statements may also trade on earnings reports or dividend decisions.

Culture and Entertainment

Entertainment markets may focus on industry awards, box-office totals, social-media creators, YouTubers and pop-culture events, such as whether a celebrity will marry. Questions might ask which film wins a major award or whether an influencer boxing match takes place.

Climate and Science

Contracts may ask whether temperature records will be broken, emissions will meet a target, a hurricane will reach a specified area or a major weather event will occur by a certain time. Markets may also cover space-mission launch dates, physics discoveries and developments in AI.

The Prediction Market Industry in 2026

Following rapid expansion in recent years, the sector is moving into a more established stage. Regulation is developing and institutional capital is entering the field. Understanding these industry changes can help readers assess the setting in which trading takes place.

Why Activity Centres on a Few Platforms

Polymarket and Kalshi lead this sector in part because they attract substantial liquidity. Traders often prefer a venue where large orders are less likely to trigger abrupt price changes, which encourages further activity on the same platforms.

Prediction markets can have a strong first-mover advantage. A platform that builds liquidity early can start a reinforcing cycle: additional users bring more capital, deeper markets can ease execution, and improved trading conditions may draw in still more participants.

A new competitor would have to address the liquidity challenge from launch. Low volume can leave wide spreads and discourage orders. Without enough participants, a newcomer may struggle to remain viable.

Entry Barriers: Rules, Capital and Compliance

Several substantial challenges stand between new prediction markets and established competitors:

• High Capital Requirements: Starting a market requires significant funding. Operators may need to supply initial liquidity and build reliable technology. If the order book is unavailable even for a second, users may lose confidence and leave.
• Licensing and Regulatory Compliance: Securing the necessary permissions can be lengthy and costly. Many jurisdictions treat these markets as a disputed category between gambling and complex financial products. Regulatory approval may require years of audits.
• Anti-Money Laundering and Security: Know Your Customer (KYC) and Anti-Money Laundering (AML) obligations vary by region. Platforms that fail to verify users may face multimillion-dollar penalties and risk losing licences.

Network Effects and Concentrated Liquidity

A network effect occurs when a service becomes more useful as participation grows. A larger user base can attract liquidity, which may then bring in additional users.

Greater depth can allow participants to trade with a narrower spread and lower transaction costs. That efficiency may attract market makers and larger traders. As participation increases, there may be more incentive to list additional contracts and build out the order book.

Growth and Institutional Participation

The sector is evolving beyond a niche retail activity, with institutional finance and larger-scale risk management showing interest. The following developments are part of that shift:

• The Arrival of Smart Money: Proprietary trading firms and quantitative funds have entered the space. As markets deepen, algorithmic systems can identify and respond to price gaps in milliseconds, potentially tightening spreads and improving efficiency.
• Hedging: Some large companies and banks have begun using these markets to manage exposure to real-world events. They may use binary contracts as a form of direct cover instead of more expensive conventional derivatives.
• Data as a Product: Information services such as Bloomberg now show platform probabilities alongside conventional Wall Street figures. Contract prices are increasingly used as one measure of market expectations.

A Closer Look at the Platforms

Kalshi and Polymarket account for much of prediction market trading, but several other services serve different purposes. Here are profiles of notable platforms.

Kalshi

Kalshi is an exchange for event contracts. Participants trade forecasts on future outcomes directly with other users through “Yes” and “No” shares. Prices indicate the community’s implied probability, and a correct prediction pays $1.00 per share.

Kalshi is registered in the United States as a Designated Contract Market (DCM) under the U.S. Commodity Futures Trading Commission (CFTC). It operates under federal oversight and uses a registered clearinghouse for user funds and transactions.

Although the platform is regulated in the U.S., it accepts customers from some other countries. Prospective users are advised to review its excluded-country list before registering. This description does not establish access or authorization in Canada.

Available categories:

• Politics
• Sports and Culture
• Cryptocurrencies
• Climate and weather events
• Economics
• Technology and Finance

Kalshi’s principal advantages include CFTC oversight, which addresses legal risk for U.S.-based users, liquidity in some markets and settlement terms linked to government data. Potential drawbacks include extensive KYC checks, many blocked countries and scheduled maintenance periods when trading is unavailable.

The service may suit traders interested in macroeconomic events within a regulated framework. Its API may also appeal to quantitative funds, while businesses can use the markets to hedge certain risks.

Polymarket

Polymarket is a decentralized exchange where participants use cryptocurrency to trade on future events. Prices are denominated in USDC, a stablecoin pegged to the U.S. dollar, and a winning share pays $1.00. The blockchain-based platform runs 24/7 without intermediaries.

Polymarket uses the Polygon blockchain, described as making transactions quick and inexpensive. Rather than depositing funds into a company account, users hold USDC in their own digital wallets. Smart contracts and the UMA Optimistic Oracle system handle final settlement.

Polymarket has a separate legal structure for U.S. customers, approved as a DCM by the CFTC. The source describes Polymarket US as offering U.S. users the same legal protections as Kalshi.

Available categories:

• Trending markets
• Politics
• Finance
• Crypto
• Sports
• Technology
• Geopolitics
• Pop culture

Polymarket’s stated strengths include strong liquidity, quick creation of new markets and a non-custodial design that leaves users in control of their funds. Most contracts have no fees, and withdrawals are described as instant.

Using the platform requires familiarity with cryptocurrency and digital wallets. In markets where the result is unclear, decentralized-oracle decisions can lead to disputes.

The service is aimed at people comfortable with Web3 tools. Its flexible range of topics may appeal to probability-focused traders, analysts, journalists and quantitative traders seeking an alternative to conventional regulated platforms.

PredictIt

PredictIt is an early platform for forecasting U.S. political events. Its contracts focus on government actions, elections, appointments and legislation, attracting researchers, pollsters, analysts and people closely following politics.

PredictIt is not registered as an exchange; it operates under a CFTC “no-action letter” permitting a small-scale project described as primarily educational. A July 2025 regulatory update raised user contribution limits and allowed non-governmental management. The platform still cannot offer cryptocurrency trading or serve institutional traders.

ForecastEx

ForecastEx, backed by Interactive Brokers, lists contracts on financial events. It pays interest on positions, an uncommon feature, and exiting requires users to “offset” a position by purchasing the opposing contract.

ForecastEx is regulated in the U.S. and registered in 2024 as a CFTC-designated contract market and clearinghouse. The commission describes its contracts as fully collateralized binary options.

The exchange concentrates on economic measures such as inflation, GDP, trade balances and unemployment, attracting institutional and specialist financial traders. It does not list markets about crypto or celebrities.

Manifold

Manifold is a blockchain-based platform where trades use Mana, a special token, instead of real money. Users can create contracts on nearly any topic, from “Will I exercise this week?” to “Is my girlfriend going to leave me tonight?”

An automated market maker sets prices based on the estimated likelihood of each outcome, and the service operates 24/7. New users receive a free allotment of Mana, which they can increase by making accurate forecasts.

Metaculus

Metaculus hosts probability forecasts on scientific and geopolitical questions. It does not involve real money or financial exposure: users sign in and submit predictions.

A reputation system gives additional weight to forecasts from users with a record of accuracy, a design intended to reduce manipulation.

This model draws researchers, scientists, data analysts and science enthusiasts who want to assess possible technology impacts and follow global trends.

Kalshi and Polymarket Compared

Kalshi and Polymarket are the leading names in this market, but their features differ in ways worth considering before choosing a platform.

Who Is Eligible to Use Each Platform?

Kalshi is no longer restricted to U.S. users, and Polymarket has returned to the U.S. market. Both services still impose location restrictions and KYC requirements.

Eligible-country lists may change, so the platforms’ own terms should be consulted before registration. Using a VPN to bypass location limits is against the rules of both exchanges.

Differences in Regulation

For users in the United States, Kalshi operates as a registered brokerage-style exchange supervised by the CFTC. Its clearinghouse serves as a third party in transactions and disputes, which are handled under federal law.

Polymarket.com uses a hybrid model, with on-chain settlement through cryptographic oracles. Funds remain decentralized and under user control, while disputes are handled through community processes and decentralized incentives.

Polymarket US has a U.S. legal structure that the source compares with Kalshi’s. The platform is regulated by the CFTC in the U.S., where users receive the same legal protections described for Kalshi.

Trading Volume and Liquidity

Kalshi and Polymarket were closely matched for leadership. In early March 2026, weekly notional volume was reported as 53% for Kalshi and 47% for Polymarket.

The decentralized service was narrowing the difference in direct user activity. It recorded 24.6 million weekly transactions, compared with Kalshi’s 18.7 million.

Range of Markets and Listing Pace

Kalshi emphasizes formal contracts with official sources for settlement, which can suit weather and conventional financial events. Polymarket lists thousands of markets on internet trends, Middle Eastern conflicts, AI developments and less conventional research topics.

Both services cover major elections and sporting events. Polymarket also lists questions where public official data may not be available, while Kalshi has a stronger presence in local U.S. markets that may be less relevant to decentralized users.

For breaking events, Polymarket can reportedly list a market within minutes. Kalshi’s regulated review process takes longer. This may give Polymarket an advantage for emerging stories, while Kalshi emphasizes a more formal process.

Fees and Costs

Although Kalshi and Polymarket offer comparable contract trading, their fee structures differ substantially.

Funding and Withdrawing

Kalshi accepts deposits through ACH, wire transfer and debit card. A partner processor also supports USDC and USDT cryptocurrency deposits, with fees because these are not direct blockchain transactions.

Bank-transfer withdrawals carry no platform charge. Debit-card or cryptocurrency withdrawals may incur fees from a third party.

Polymarket.com runs on Polygon and uses USDC.e for contracts. Users can send USDC from an exchange such as Coinbase or buy it by credit card through MoonPay.

Polymarket.com does not charge a withdrawal fee and sends funds to the connected wallet. Network charges may still apply when converting to another currency.

Polymarket US does not require cryptocurrency. Users can fund accounts through conventional options such as bank transfers and credit cards, in a manner similar to Kalshi.

Choosing a Platform for Your Needs

Kalshi may suit someone seeking a regulated U.S. trading environment, willing to complete KYC and wishing to avoid cryptocurrency.

Polymarket may appeal to people comfortable with digital wallets and private keys who want more direct control of funds. It offers round-the-clock trading and substantial liquidity in the Web3 market.

Liquidity, Volume and Market Quality

Liquidity, trading volume and market quality all affect how smoothly orders execute. Without considering them, a larger position may move the price against the trader.

Liquidity Explained

Liquidity is the money and contract interest available in an order book. It influences how easily a position can be opened or closed without shifting the price.

Unlike a sportsbook bet, a market trade needs a counterparty on the other side. A market with two million dollars in liquidity may have ample depth for a $10,000 order. A three million trade could consume the available orders and cause substantial slippage.

When liquidity is scarce, finding a counterparty may be difficult. Wide spreads can also reduce the potential return as soon as a position is opened.

Volume and Open Interest

These measures are sometimes confused, but describe separate things:

• Volume: The total contract value traded during a period. It can help show the strength of a price trend; a sudden increase may point to new information entering the market.
• Open Interest: The total value currently committed to open positions while traders wait for resolution. It is one indicator of the market’s overall liquidity.

Considering both measures can help assess a market before deciding whether to trade it.

Spreads and Execution Costs

A wide spread in a thin market can be an unexpected cost for new traders. It is the difference between the highest bid and the lowest price a seller will accept.

Suppose a contract has a $0.65 bid and the nearest seller asks $0.68. A market order crosses that gap immediately, putting the buyer $0.03 behind. The price would have to reach $0.69 to produce a $0.01 profit.

Risks in Thin Markets

Illiquid, or “thin,” markets can create material trading problems. Compared with heavily traded events, they have fewer participants and may expose traders to risks such as:

• Sharp Volatility and Slippage: A modest order can use up the available liquidity and push the contract price sharply higher or lower.
• Spoofing and Distortion: When little money can move a price, bad actors may try to manipulate the implied probability and create a misleading signal.
• Difficulty Exiting: A position may show a gain on paper, yet without buyers you may have to hold it to settlement instead of securing that gain.

Legal and Regulatory Considerations

Two Regulatory Models

Prediction contract services generally follow two broad regulatory models. The model affects how funds are handled and where the service may operate.

• Regulated Exchanges: Government bodies such as the U.S. CFTC supervise these exchanges. They may be authorized to offer derivatives and use clearinghouses to segregate customer funds and guarantee fiat transactions. KYC checks are required.
• International Crypto Platforms: These platforms use blockchain and stablecoins outside conventional financial systems. Their users can trade with each other without a traditional government licence, but their decentralized structure may leave their legal status uncertain.

The United States Framework

In the United States, the Commodity Futures Trading Commission oversees this area. Because these contracts concern financial outcomes tied to future events, lawmakers treat them as derivatives.

These markets are subject to laws such as the Commodity Exchange Act rather than casino or sports-betting rules. Exchanges serving U.S. customers need government approval, maintain transparent order books and cannot list certain contracts, including those about acts of terrorism.

Europe and Other Jurisdictions

Countries take different approaches to prediction contracts. Depending on the jurisdiction, they may be treated as gambling, regulated financial derivatives or prohibited products.

European regulation is set at the national level. France and Germany, for instance, require advance approval and publish lists of approved and banned operators. In the United Kingdom, the Gambling Commission reviews these markets and often treats them as betting intermediaries. Non-compliant platforms can face penalties.

In Canada, regulatory treatment depends on jurisdiction and the type of product. The source describes Ontario securities authorities as treating short-term prediction contracts as financial binary options and banning their sale to retail investors. At the federal level, it says sports-outcome markets also engage the Criminal Code. These statements do not establish a platform’s authorization or availability for Canadian users.

In Australia, the Australian Communications and Media Authority has technical enforcement powers. If it finds a foreign site operating without a licence under the country’s Interactive Gambling Act, it can direct local internet providers to block the site.

Why Access Varies by Location

Platforms often use geo-blocking to manage legal exposure. A user’s physical location affects access because laws classify these markets differently. Operators may also block regions proactively to avoid penalties for serving residents without a licence.

Sensitive Political and Sports Markets

Election and sports contracts can attract close regulatory scrutiny because of possible manipulation. Common concerns include:

• Integrity of the Democratic Process: Large-scale trading on elections could create incentives for participants to influence public opinion.
• Match-fixing: Potential financial rewards may encourage attempts to bribe players or referees, or to leak confidential information.
• Insider Trading: Political aides with access to non-public polling information could use it to seek an unfair advantage.

Risks of Trading Prediction Markets

Prediction markets bring risks that may differ from those of more conventional financial products:

Risk of Losing the Full Stake

With a binary “Yes” or “No” contract, an incorrect call costs you 100% of the money committed to that position. If you do not sell to another trader before the outcome is settled, your investment drops to $0.00.

Liquidity Risk

You may be unable to find a buyer when you want to take profit or limit a loss. In a thin market, bids can disappear, leaving you to hold the position until settlement.

Regulatory Risk

Authorities may block a platform or impose fines. If an exchange fails to comply with a prohibition and its assets are frozen, users could lose access to their funds permanently.

Platform Risk

Users of regulated services such as Kalshi and Polymarket US could be affected if a company fails and freezes customer funds. Weak contract oversight or server outages can also prevent orders from executing as intended.

Information Risk

Large institutions may have access to information before it becomes public. Their rapid response to new polls or reports could remove a perceived advantage for other traders.

Volatility Risk

Unverified reports can cause sharp contract-price movements. False speculation may prompt participants to close a position at a substantial loss before facts are confirmed.

Risks from Crypto Infrastructure

Blockchain services such as Polymarket.com carry risks that include smart-contract flaws, compromised wallets and stablecoins losing their peg. The networks used by these exchanges lack a central authority able to restore USDC or reverse a fraudulent transaction.

Tax and Record-Keeping Issues

Trading on prediction markets may create tax obligations, as can other activities that generate income. Traders are responsible for understanding the rules where they live and how gains and losses should be reported.

Are Trading Profits Taxable?

Depending on the country, profits may be subject to capital-gains or income tax. Tax authorities differ in how they classify this activity: some treat it like securities trading, others as financial income or gambling winnings. The classification affects the applicable tax treatment.

Keeping Records

Manual tracking is not the only option. Platforms may offer reports to help organize trades:

• Regulated Platforms: These may provide year-end tax documents, similar to conventional brokerages. One U.S. example is the 1099-B, which lists gains and losses.
• Decentralized Platforms: Blockchain transactions are recorded permanently. Users may download a CSV from the service or use cryptocurrency accounting software such as CoinTracker to organize the data.

Tax Reporting Considerations

When filing, check whether and how losses can be reported. In some tax systems, losses from incorrect forecasts may offset capital gains from winning contracts. Accurate records of losing “No” positions can matter when calculating net tax obligations.

A Practical Starting Guide

The setup process depends on the service. Regulated platforms resemble online brokerages, while blockchain-based markets require users to operate a digital wallet themselves.

Using a Regulated Platform (such as Kalshi and Polymarket US)

1. Register on the platform: Open an account using your email address and a strong password.
2. Complete the KYC process: Provide requested identification, such as a government-issued ID, so the platform can verify you and meet anti-money-laundering requirements.
3. Link a payment method: Connect a bank account using a service such as ACH or add a debit card for funding.
4. Deposit funds: Transfer your initial trading amount from the linked account and review the processing time for the chosen method.
5. Choose a first contract: Find a market that interests you, inspect its order book and submit a buy or sell order.

Using a Blockchain Platform (such as Polymarket.com)

1. Set up a wallet: Install a compatible wallet such as MetaMask or Coinbase Wallet, then keep its recovery phrase secure.
2. Obtain collateral: Purchase USDC through a trusted crypto exchange and transfer it to your wallet. Confirm that you are using the correct network.
3. Connect your wallet: Visit the platform’s official website, select its wallet-connection option and approve the request in the pop-up.
4. Deposit or bridge funds: If your USDC is on another blockchain, use the platform’s bridge feature to move it to the network used by the market.
5. Choose a first contract: Browse the listings, read the settlement terms and use your wallet to sign the transactions required to trade.

Frequent Mistakes for Beginners

New participants should be alert to several common errors:

• Emotional Trading: Buying because you favour a politician or support a team, instead of assessing the outcome’s probability, can lead to losses.
• Overlooking Liquidity: A contract with little activity may be hard to sell if your view changes.
• Ignoring the Spread: Failing to account for the bid-ask gap can add a substantial hidden cost to a trade.
• No Risk Management: Trading without a plan to manage exposure is a serious mistake in financial markets.
• Overlooking Opportunity Cost: Committing significant funds to a long-term contract means that money cannot be used for nearer-term opportunities.
• Skipping the Rules: Not understanding a contract’s cancellation provisions may leave a position void if the result is ambiguous.

Basic Ways to Manage Risk

Risk management refers to practices intended to preserve trading capital over time. Since future outcomes are uncertain, a trader can structure positions so that a few unfavourable results do not overwhelm the rest of the account.

Diversification means avoiding concentration in a single position. Position sizing sets a small, fixed share of total capital for any one contract. Hedging is another possible approach: buying the opposing outcome may limit exposure if the market becomes more volatile.

This article was prepared in collaboration with Predictionist.com, a resource for prediction market insights and analysis.

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