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Reviews

Prediction-market platforms

How the major prediction markets stack up on liquidity, fees, funding, and availability — so you can pick the right venue before you trade.

Polymarket

4.9

Polymarket is the largest crypto-native prediction market, with the deepest liquidity on news, politics, and crypto questions. Settlement is in USDC on-chain, and it is not available to US persons.

Funding
USDC (crypto)
Tracked volume
$30.7M
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Kalshi

4.9

Kalshi is a CFTC-regulated US exchange offering event contracts funded in dollars — no crypto required. It covers economics, politics, weather, and more with regulated, exchange-style trading.

Funding
USD (bank/card)
Tracked volume
$15.4M
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FanDuel Predicts

4.2

FanDuel Predicts is FanDuel’s CFTC-regulated event-contract market, launched in January 2026 through a partnership with CME Group. It brings prediction trading to FanDuel’s large US customer base, funded in dollars with no crypto required.

Funding
Real money
Tracked volume
$0
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OG

4.0

OG is Crypto.com’s CFTC-regulated prediction market, launched in February 2026. It offers multi-outcome event contracts funded in dollars and marks Crypto.com’s entry into the prediction-market space.

Funding
Real money
Tracked volume
$0
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Robinhood Event Contracts

4.0

Robinhood Event Contracts extend Robinhood’s brokerage app into CFTC-regulated prediction trading. The offering leans on Robinhood’s existing customer base and commission-free positioning to lower the barrier to event trading.

Funding
Real money
Tracked volume
$0
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Interactive Brokers

3.9

Interactive Brokers offers CFTC-regulated forecast contracts through its ForecastEx exchange, surfaced inside the IBKR trading platform. It targets professional and active traders who already use IBKR for stocks, options, and futures.

Funding
Real money
Tracked volume
$0
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Insight Prediction

3.6

Insight Prediction is a CFTC-regulated event-contract exchange focused on political and economic markets. It gives US traders regulated access to forecast contracts on elections, policy, and macro outcomes, funded in dollars.

Funding
Real money
Tracked volume
$0
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Metaculus

3.5

Metaculus is a forecasting platform built around community predictions and track records, not a real-money market. Its aggregated probabilities are a respected signal on science and long-horizon questions.

Funding
Real money
Tracked volume
$0
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ProphetX

3.4

ProphetX is a newer entrant in the CFTC-regulated prediction-market space, offering US traders dollar-funded event contracts. As a recent launch, it is still building out its market catalog and liquidity.

Funding
Real money
Tracked volume
$0
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Manifold Markets

3.3

Manifold Markets is a play-money ('mana') platform spanning an enormous breadth of user-created questions. Prices are a useful probability signal, not a tradeable real-money line.

Funding
Play money (mana)
Pricing
Signal only
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PredictIt

3.0

PredictIt is a long-running political prediction market operating under a CFTC no-action posture. Markets are politics-only with per-contract position caps.

Funding
USD (bank/card)
Tracked volume
$310K
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Prediction-market platforms FAQ

What is the best prediction market platform?
It depends on where you live and how you want to fund. Polymarket has the deepest liquidity but requires crypto and excludes US persons; Kalshi is CFTC-regulated and funds in dollars. Each review breaks down the tradeoffs.
Are prediction markets legal in the US?
Kalshi operates as a CFTC-regulated exchange and PredictIt runs under a no-action posture, both accessible to US users. Polymarket is not available to US persons. Always confirm eligibility for your state.
Do prediction markets charge fees?
Fee models vary: Polymarket charges no trading fee but you pay on-chain gas; Kalshi charges per-contract fees; PredictIt takes a cut of profits and withdrawals. Each review lists the current structure.