● Live Wisconsin AG suit vs Kalshi & Polymarket pending · NY/IL insider-trading orders in effect · Updated May 2026
● Platform comparisons

Compare US
Prediction Market Platforms

Not sure which platform is right for you? These head-to-head guides break down fees, regulation, liquidity, categories, and US access so you can choose without guessing.

Head-to-head guides


Most popular

Kalshi vs Polymarket

The two dominant US prediction market names: CFTC regulation vs global on-chain liquidity, USD vs USDC, sports contracts vs depth.

For beginners

Kalshi vs Manifold

Real-money regulated trading vs free play-money forecasting. The best path for new US users explained.

Sports fans

Robinhood vs Polymarket

Available now vs waitlisted: Robinhood has sports contracts, Polymarket has the deepest global orderbooks.

Broker vs direct

Kalshi vs Robinhood

Direct exchange access vs Robinhood's embedded contracts — fees, sports, API, and whether you need both.

One app vs two

Robinhood vs Kalshi

Same Kalshi orderbooks, different interface. When is the embedded broker the right call?

US politics

Kalshi vs PredictIt

Both US-regulated and politics-focused, but different in fees, contract caps, and regulatory stability.

Both CFTC-licensed

Kalshi vs ForecastEx

Two CFTC-regulated DCMs: Kalshi is standalone, ForecastEx lives inside your existing broker.

Economics focus

Kalshi vs Webull

Webull's Kalshi integration covers economics only — when is the embedded route enough?

Institutional

Kalshi vs Interactive Brokers

Standalone prediction market exchange vs IBKR's ForecastEx integration for professional traders.

USD vs USDC

Kalshi vs Coinbase

CFTC-regulated USD settlement vs USDC on Base, which is right for crypto-native US users?

Real vs sweepstakes

Kalshi vs Verse

CFTC-regulated exchange vs sweepstakes parlay app: the fee structure difference explained.

Real vs play money

Polymarket vs Manifold

Real-money USDC on the most liquid platform vs free play-money with user-created markets.

On-chain

Polymarket vs Drift Bet

Two on-chain prediction markets compared: Polygon vs Solana, fees, liquidity, and US access.

Forecasting tools

Manifold vs Metaculus

Two community forecasting platforms: Manifold uses play-money, Metaculus uses reputation scores.

Politics

Manifold vs PredictIt

Free community forecasting vs real-money US political markets with $850-per-contract cap.

New users

Robinhood vs Manifold

The two-step journey for new US prediction market traders: start free on Manifold, graduate to Robinhood.

Sports exchanges

Novig vs ProphetX

Two peer-to-peer sports betting exchanges: Novig's $75M Series B vs ProphetX.

Sports trading

Novig vs Kalshi

P2P sports exchange vs CFTC prediction market: sharp bettors vs full market breadth.

Crypto-native

Crypto.com vs Coinbase

Two crypto giants in prediction markets: who does it better for US users in 2026?

Casual sports

PrizePicks vs Verse

DFS over/under picks vs sweepstakes parlay app: two casual sports prediction platforms compared.

US politics

Polymarket vs PredictIt

USDC global liquidity vs USD with $850 cap, which is better for US political prediction market traders?

US politics

Robinhood vs PredictIt

Robinhood's no-cap political contracts vs PredictIt's deeper congressional and state-level catalog.

DeFi vs regulated

Kalshi vs Drift Bet

CFTC-regulated USD exchange vs on-chain Solana DeFi protocol: US access, KYC, and settlement compared.

vs Sportsbook

Kalshi vs FanDuel

CFTC-regulated event contracts vs state-licensed sportsbook: fees, bet types, tax treatment, and legal difference.

vs Sportsbook + DFS

Kalshi vs DraftKings

Prediction market binary contracts vs DraftKings sportsbook and DFS: spreads, parlays, and the 2026 OBBBA tax difference.

Sportsbook vs PM

FanDuel vs Polymarket

FanDuel spreads and props vs Polymarket binary global markets: USD vs USDC, vig vs taker fee, when to use each.

DFS + Sportsbook

DraftKings vs Polymarket

DraftKings DFS and sportsbook vs Polymarket QCEX: two platforms for analytically-minded sports fans compared.

Which platform for which use case?


🇺🇸 Best for US users

Kalshi

Fully CFTC-regulated, USD settlement, sports + economics + politics, available to all US residents today. No crypto wallet needed.

Full Kalshi profile →
🌍 Best liquidity globally

Polymarket

$8B+ lifetime volume, deepest orderbooks on political and geopolitical markets. US licensed app rolling out via waitlist 2026.

Full Polymarket profile →
📚 Best for beginners

Manifold

Free play-money, no crypto, user-created markets on any topic. The best way to learn forecasting without financial risk.

Full Manifold profile →
🏦 Best for existing IB/Robinhood users

ForecastEx

Zero extra friction: political and economic event contracts inside your existing brokerage account.

Full ForecastEx profile →
📜 Best track record

Iowa Electronic Markets

Founded 1988, oldest real-money prediction market in the world. US politics only, $500 cap. Academic heritage.

Full IEM profile →
⛓ Best for Solana users

Drift Bet

Solana-based, USDC settlement, no KYC. Lowest fees of any on-chain venue. Best for users already in the Solana ecosystem.

Full Drift Bet profile →

How much does it cost to trade $1,000?


Fees are often hidden in spreads or only charged on winning trades. Here's what a $1,000 position at a 50¢ market price actually costs across major platforms.

Platform Fee model $1,000 trade example Notes
Kalshi 0–7% of net profit ~$0–70 per trade (only charged on winning side) No fee if you lose. Fee is deducted from profit, not from stake.
Polymarket ~2% taker fee ~$20 per $1,000 trade Taker fee charged on each buy/sell regardless of outcome.
Robinhood $0.01 + $0.01 per contract ~$40 per $1,000 trade (2,000 contracts × $0.02) Fixed per-contract cost regardless of outcome. 2,000 contracts at 50¢ = 2,000 × $0.02.
ForecastEx / IB No commission $0 commission Revenue from the bid-ask spread. No explicit per-trade fee.
Drift Bet ~1–2% taker fee ~$10–20 per $1,000 trade On-chain venue; also pay Solana network gas (~$0.001/tx, negligible).
Novig Commission-free $0 commission P2P exchange: revenue model is still evolving post-Series B.
Manifold Free / 5% cashout fee $0 to trade; $50 cashout fee on $1,000 withdrawal Play-money is free. Real sweepcash: 5% fee only when cashing out, not per trade.

⚠ Assumes 2,000 YES contracts at $0.50 each for the per-contract model. Actual costs vary by market type, trade size, and spread. Kalshi fee rates differ by contract category. Always verify current fees directly with each platform before trading.