Best Prediction Market Platforms Compared (2026)

Q: Which prediction market platform is best?

For most traders outside the US, Polymarket is the best prediction market platform due to its highest liquidity, zero maker fees, and widest market selection. For US-based traders, Kalshi is the best option as the only CFTC-regulated prediction market. For practice without real money, Metaculus offers the best calibration training.

Q: Can I use prediction markets in the United States?

Yes, US residents can trade on Kalshi, which is the only CFTC-regulated prediction market exchange. Polymarket restricts trading for US residents. PredictIt is being wound down. Manifold and Metaculus offer play-money or non-financial forecasting that is available in the US.

Q: What are prediction market fees?

Fees vary by platform. Polymarket charges 0% maker fees with small spreads. Kalshi charges 2-7% per trade. PredictIt charges 5% on profits plus 5% on withdrawals. Metaculus and Manifold are free as they use play money. Lower fees mean more of your profits stay in your pocket.

Q: Which prediction market has the most liquidity?

Polymarket has by far the most liquidity of any prediction market, with over $1 billion in monthly trading volume. Kalshi is second with growing but still lower liquidity. Higher liquidity means tighter spreads and easier execution of large trades.

A detailed side-by-side comparison of the top prediction market platforms. Compare fees, liquidity, features, and regulatory status to find the right platform for you.

Feature Comparison Table

Feature	Polymarket	Kalshi	Metaculus	Manifold	PredictIt
Trading Fees	0% (maker) / ~1-2% spread	~2-7% (varies by market)	Free (no real money)	Free (play money) / Low (sweepstakes)	5% on profits + 5% withdrawal fee
Min Deposit	No minimum	$1	N/A	Free signup	$5
Market Types	Binary, categorical, multi-outcome	Binary event contracts	Continuous probability estimates, binary, numeric ranges	Binary, multiple choice, numeric, free response	Binary (political focus)
Mobile App	Progressive Web App (PWA)	iOS and Android	Mobile-responsive website	Mobile-responsive website	Mobile-responsive website
Liquidity	Very high ($1B+ monthly volume)	Moderate (growing rapidly)	N/A (no trading)	Low to moderate	Low (winding down)
Regulatory Status	Offshore (not US-regulated), restricted for US users	CFTC-regulated (US-legal)	Not regulated (no real money)	Play money (sweepstakes model for prizes)	CFTC no-action letter (being wound down)
Supported Countries	Global (except US for trading)	US only (most states)	Global	Global	US primarily
Deposit Methods	USDC (crypto), credit card via MoonPay	Bank transfer, debit card, ACH	N/A	Free mana currency / sweepstakes entry	Credit/debit card, bank transfer
Real Money?	Yes (USDC)	Yes (USD)	No (reputation-based)	Hybrid (play money + sweepstakes prizes)	Yes (USD)
Resolution Process	UMA oracle + internal resolution team	Internal resolution team with defined criteria	Community moderators with defined resolution criteria	Market creator resolves (with disputes system)	Internal team based on public data

Our Recommendation: Polymarket

For traders outside the US, we recommend Polymarket as the best overall prediction market platform. It offers the highest liquidity, lowest fees, and most diverse selection of markets. The platform processes over $1 billion in monthly volume, which means tight spreads and easy execution even for large positions. Whether you are interested in politics, crypto, sports, or pop culture, Polymarket has active markets with real price discovery.

For US-based traders, Kalshi is the recommended choice as the only CFTC-regulated prediction market exchange. While fees are higher than Polymarket, the legal clarity and familiar USD deposits make it the safest option for American traders.

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Detailed Platform Reviews

Polymarket Review

Polymarket is the dominant prediction market platform by volume and market breadth. With over $1 billion in monthly trading volume, it offers the deepest liquidity across hundreds of active markets spanning politics, crypto, sports, science, and pop culture. The platform uses USDC on the Polygon blockchain for settlement, which means trades are fast and transparent. Polymarket charges zero maker fees and minimal taker fees, making it the most cost-effective platform for active traders. The order book model (CLOB) provides professional-grade trading capabilities. While US residents cannot trade, users from most other countries can deposit via crypto or credit card. The resolution process uses a combination of the UMA oracle and an internal team. For serious prediction market traders who want the best liquidity and market selection, Polymarket is the clear leader.

Pros

+Highest liquidity of any prediction market
+Zero maker fees, tight spreads
+Widest variety of markets (politics, crypto, sports, culture)
+Active community and fast market creation
+On-chain settlement with USDC

Cons

-Not available for US residents to trade
-Crypto-native (requires USDC wallet)
-No native mobile app (PWA only)
-Newer platform with evolving regulatory picture

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Kalshi Review

Kalshi is the leading US-regulated prediction market, holding a CFTC designation as a regulated exchange. This makes it the only major prediction market where US residents can legally trade with real money. The platform focuses on event contracts covering economics, politics, weather, and current events. Kalshi offers native iOS and Android apps, making it the most accessible mobile trading experience. Deposits are straightforward with bank transfers and debit cards in USD. The downside is that fees are significantly higher than Polymarket, typically ranging from 2% to 7% per trade. Liquidity is lower on most markets, which can lead to wider spreads. For US-based traders who need a legal, regulated option, Kalshi is the best choice despite the higher costs.

Pros

+CFTC-regulated, fully legal in the US
+Native mobile apps for iOS and Android
+Low minimum deposit ($1)
+Familiar USD deposits via bank or debit card
+Growing market selection

Cons

-Higher fees than Polymarket (2-7%)
-Lower liquidity on most markets
-US-only availability
-Fewer market categories
-Stricter market creation process

Metaculus Review

Metaculus is a forecasting platform focused on calibration and accuracy rather than financial trading. Users submit probability estimates on questions ranging from science and technology to geopolitics and AI. There is no real money involved; instead, Metaculus tracks your prediction track record and calibration score. This makes it an excellent training ground for aspiring prediction market traders who want to build their skills before risking real money. The community is highly analytical, and question descriptions include detailed resolution criteria. Metaculus is particularly strong in science, technology, and existential risk categories. If you want to practice your prediction skills in a risk-free environment, Metaculus is the best option available.

Pros

+Free to use with no financial risk
+Excellent for building calibration skills
+Strong community of forecasters
+Detailed question descriptions and resolution criteria
+Track record and calibration scoring

Cons

-No real money trading
-Cannot profit financially from predictions
-Smaller user base than trading platforms
-Limited market categories compared to Polymarket
-Less exciting without financial stakes

Manifold Review

Manifold Markets is the most accessible and creative prediction market platform. Anyone can create a market on any topic in seconds, leading to an enormous variety of questions ranging from serious geopolitics to fun community bets. The platform uses a play money system (mana) with a sweepstakes model that allows users to win real prizes. This hybrid approach lowers the barrier to entry while still providing some financial incentive. The market creator resolution model is a double-edged sword: it enables fast market creation but occasionally leads to disputes. Manifold is best for casual forecasters, social prediction games, and exploring niche topics that larger platforms do not cover. The community is active and engaged, making it a fun place to test your prediction instincts.

Pros

+Free to start with play money
+Anyone can create markets instantly
+Most creative and diverse market selection
+Active social community
+Sweepstakes model allows real prize potential

Cons

-Play money reduces seriousness of predictions
-Market creator resolution can be unreliable
-Lower signal quality than real-money markets
-Smaller liquidity pools
-Less professional trading features

PredictIt Review

PredictIt was one of the pioneering real-money prediction market platforms in the US, operating under a CFTC no-action letter since 2014. It gained significant attention during US election cycles and became a go-to source for political prediction data. However, the CFTC ordered PredictIt to wind down operations, and the platform has been gradually reducing its market offerings. Fees are among the highest in the industry at 5% on profits plus 5% on withdrawals. Position limits of $850 per contract further restrict serious trading. While PredictIt retains historical significance and some remaining political markets, it is not recommended for new users given its uncertain future and high costs. Traders looking for political prediction markets should consider Polymarket or Kalshi instead.

Pros

+Long track record in political markets
+Familiar USD deposits
+Strong historical data for research
+Simple, easy-to-understand interface

Cons

-High fees (5% profit + 5% withdrawal)
-Being wound down by CFTC order
-Very limited new market creation
-Low liquidity on remaining markets
-$850 position limits per market
-Increasingly outdated interface

Frequently Asked Questions

Which prediction market platform is best?

For most traders outside the US, Polymarket is the best due to highest liquidity, zero maker fees, and widest market selection. For US traders, Kalshi is the best regulated option. For practice, Metaculus is ideal.

Is Polymarket better than Kalshi?

Polymarket has higher liquidity, lower fees, and more markets. However, Kalshi is CFTC-regulated and available to US residents. If you are outside the US, Polymarket is generally better. In the US, Kalshi is the best regulated option.

Can I use prediction markets in the United States?

Yes. Kalshi is the only CFTC-regulated exchange available to US residents. Polymarket restricts US trading. Manifold and Metaculus offer non-financial forecasting available everywhere.

What are prediction market fees?

Polymarket: 0% maker fees. Kalshi: 2-7%. PredictIt: 5% on profits + 5% withdrawal. Metaculus and Manifold are free (play money). Lower fees mean you keep more of your profits.

Which prediction market has the most liquidity?

Polymarket has the most liquidity by far, with over $1B in monthly volume. Higher liquidity means tighter spreads and better execution for large trades.

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