Prediction market platforms and exchanges

Event-market trading and demo workflows with documented quote and settlement limits.

Limitless is a prediction-market platform on Base with event markets across crypto, sports and other categories. Its documentation distinguishes AMM, user-created and order-book markets, with fee rules that vary by market and trading venue.

• Paid or fee-based
• Limitless

ParlayIt lists and settles its own prediction markets and combines them into native parlays. Its documentation describes its own settlement system, so it should not automatically be treated as a wrapper around Polymarket markets.

• Paid or fee-based

Bagel’s public app organises sporting, esports, crypto and other event categories in one interface. The collected description does not establish its legal operator or licensing.

UniMarkets describes a multi-venue aggregation and execution layer. Its homepage links a testnet and waitlist, while the FAQ distinguishes the aggregator from a standalone native market. Advertised roadmap modules should not be treated as established production features.

Confido provides tools for making or discussing forecasts.

BettorEdge presents peer-to-peer sports betting. Its overview describes participants betting against one another and advertises prices without built-in bookmaker margin.

ColdMath presents sports and esports odds, single and combination bets, and proprietary games.

Yes or No describes a blockchain-enabled event-market platform using supported digital assets. The checked public page displayed a login and empty/loading market state, so that page alone does not establish current market depth or functioning trade execution.

BC.GAME is a crypto gambling and casino website. Its overview describes slots, live-dealer games and crypto payments; this listing does not establish permission in any jurisdiction.

CALLOUT describes user-created markets on events with verifiable outcomes, including crypto, sport and politics. Its overview also describes creator participation in trading fees.

Cultivate Labs develops forecasting and sensemaking systems for organisational research and decisions. Its overview describes AI-supported workflows for government, finance and research teams.

Insight Prediction presents markets on real-world questions and their implied consensus. Its checked interface includes featured and popular-market views.

The Iowa Electronic Markets are small-scale real-money futures markets operated by University of Iowa business-school faculty for research and teaching.

Kutt turns informal head-to-head wagers into recorded challenges between participants, covering sports, popular culture and other verifiable outcomes.

Omenio presents social football betting with AI features, user-held funds and routing to on-chain liquidity, according to its own description.

OVERDOG presents sports betting and casino products with crypto payments, describing Polymarket-derived exchange odds. Promotional access claims do not establish legal availability.

• Polymarket

Predix Market describes a French-language prediction experience covering sports, crypto and elections, with points and rankings.

PrizePicks presents sports-pick products covering players, match outcomes and spreads through its app. Geographic permissions and promotions require the provider’s current terms.

No description yet.

The Social Science Prediction Platform collects expert forecasts of research results and social-programme effects so those forecasts can later be assessed.

No description yet.

Tailgate presents social sports predictions where users follow handicappers and participants can receive payments when others follow their picks.

CRISP presents a prediction-market interface organised around sports, esports and crypto interests, alongside promotional campaigns. The checked app description does not establish a complete fee schedule or developer interface.