Prediction-market directory
Explore prediction-market products and services through their sources: what they do, reported pricing and venues, website-declared details and retained history.
991
website / project records
978
sourced product overviews
895
documented capability facts
Product research updated: . Compare capabilities, developer resources and source-advertised pricing. Every research field points to its source and collection date.
Evidence package: . Includes 790 first-party site records and 201 additional historical catalogue records. These are not counts of verified legal companies. Historical catalogue claims retain their earlier dates; a listing is not a passed review.
991 matching records. Alphabetical order; inclusion and order are free.
Select two to four records to compare. Your selection stays while browsing.
Copy trading
OddsShift focuses on following or replicating other traders. Its overview names Polymarket. Publicly described capabilities include copy trading.
Platform context: Polymarket
Published pricing: Pro is advertised at $29/month for the listed market verdicts, model values, tracked-wallet context and monitoring features.
Sourced product research · Not assessed
Research checked:
3 research sources
Analytics & dashboards
This OddsShift resource publishes tweet-count forecasts for public figures and records how calls compare with Polymarket outcome brackets, including misses. It is a specific forecasting product page.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
3 research sources
Terminals & Aggregators
Catalogue label: OG by Crypto.com
Crypto.com's predictions-only app on the CFTC-registered CDNA exchange and clearinghouse, with social leaderboards, an Ask Alpha assistant, margin on event contracts and a VIP tier.
Platform context: Crypto.com Derivatives North America
Historical pricing: Not published
First-party page observed · Not assessed
Research checked:
3 research sources
Infrastructure & DeFi
Catalogue label: OkayBet
Builds apps on prediction market rails, including the PaMeLa autonomous trading agent and market aggregation. The current site shows a cross-chain trade and bridge interface.
Platform context: Polymarket
Historical pricing: Not published
First-party page observed · Not assessed
Research checked:
1 research sources
Prediction-market products
okbet’s checked page announces a forthcoming product on Robinhood Chain. The announcement does not establish a launched service.
Platform context: Robinhood
Sourced product research · Not assessed
Research checked:
1 research sources
Trading Bots & Chat Trading
Telegram bot and web terminal trading Polymarket, Kalshi, Limitless and Opinion from one account, with copy trading, an agent mode and $OK fee discounts.
Platform context: Robinhood
Historical pricing: 1% per trade, down to 0% with $OK holdings
Historical catalogue only · Not assessed
Research checked:
1 research sources
Prediction-market products
OkBet provides a product in the prediction-market ecosystem. Publicly described capabilities include copy trading, telegram interface.
Sourced product research · Not assessed
Research checked:
3 research sources
Prediction-market products
OKBet Trade provides a product in the prediction-market ecosystem. Publicly described capabilities include copy trading, telegram interface.
Sourced product research · Not assessed
Research checked:
3 research sources
Copy trading
Olympus focuses on following or replicating other traders. Its overview names Polymarket. Publicly described capabilities include data api, replay and backtesting, trader rankings, copy trading, sports and esports.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
2 research sources
Copy trading
Omen describes discovering sports traders and copying their trading activity.
Sourced product research · Not assessed
Research checked:
2 research sources
Prediction-market products
Omen provides a product in the prediction-market ecosystem.
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
Omen provides a product in the prediction-market ecosystem.
Sourced product research · Not assessed
Research checked:
1 research sources
Gaming platforms
Omenio presents social football betting with AI features, user-held funds and routing to on-chain liquidity, according to its own description.
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
Onyx Terminal provides a product in the prediction-market ecosystem.
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
OpenMarket provides a product in the prediction-market ecosystem. Publicly described capabilities include alerts.
Sourced product research · Not assessed
Research checked:
3 research sources
Research tools
OpenWorlds is an AI lab developing adaptive models that connect financial-market predictions with subsequent outcomes.
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
OPINION provides a product in the prediction-market ecosystem. Publicly described capabilities include sports and esports.
Sourced product research · Not assessed
Research checked:
2 research sources
Data & APIs
Opinion Labs' HTTP API at openapi.opinion.trade for BNB Chain markets, prices, order books and history, with one API key shared by WebSocket and CLOB SDKs.
Platform context: Opinion
Historical pricing: Free; public 5 req/s, keyed 15 req/s
Historical catalogue only · Not assessed
Research checked:
5 research sources
Prediction-market products
Opposite describes peer-to-peer wagers where participants take contrary sides on world events.
Sourced product research · Not assessed
Research checked:
1 research sources
Developer tools
OpticOdds provides tools for developers. Publicly described capabilities include sports and esports.
Sourced product research · Not assessed
Research checked:
4 research sources
Blockchain infrastructure
Optimism provides infrastructure for blockchain applications.
Sourced product research · Not assessed
Research checked:
3 research sources
News & research
Oracle by Polymarket publishes news, commentary or research. Its overview names Polymarket. Publicly described capabilities include research publication.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
1 research sources
Analytics & dashboards
Oracle Markets publishes AI-generated forecasts on politics, finance and geopolitics alongside Polymarket and Kalshi comparisons. Its advertised accuracy and forecast totals are not independently validated here.
Platform context: Polymarket, Kalshi
Sourced product research · Not assessed
Research checked:
1 research sources
AI Agents & Research
Apache-2.0 research engine that prices Kalshi, Polymarket and DFlow contracts with a Wang Transform fit on 291k resolved markets, runs constraint-based arbitrage checks and Kelly sizing in paper-trading mode.
Platform context: Polymarket, Kalshi
Historical pricing: Free (self-hosted)
Historical catalogue only · Not assessed
Research checked:
1 research sources
1 linked repository records
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Historical descriptions and catalogue claims: Kairos contributors, CC BY 4.0. Vultax adds source matching, presentation and factual comparisons. Attribution, licences and coverage.