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.
Analytics & Whale Tracking
Polymarket wallet performance tracker with daily P&L, win rate, ROI and leaderboards. The site currently returns an empty page.
Platform context: Polymarket
Historical pricing: Not published
Historical catalogue only · Not assessed
Research checked:
Prediction-market products
Predxy provides a product in the prediction-market ecosystem. Its overview names Polymarket, Kalshi. Publicly described capabilities include data api.
Platform context: Polymarket, Kalshi
Sourced product research · Not assessed
Research checked:
4 research sources
Prediction-market products
Predyx provides a product in the prediction-market ecosystem.
Sourced product research · Not assessed
Research checked:
2 research sources
Arbitrage
Premarket focuses on comparing prices and potential cross-market opportunities. Its overview names Polymarket, Opinion. Publicly described capabilities include arbitrage comparison.
Platform context: Polymarket, Opinion
Sourced product research · Not assessed
Research checked:
3 research sources
Analytics & Whale Tracking
Landing page for an AI trading assistant aimed at Kalshi and Polymarket; currently only a 'get notified' signup with 2025 copyright.
Platform context: Polymarket, Kalshi
Historical pricing: Not published
First-party page observed · Not assessed
Research checked:
1 research sources
Prediction-market products
Prism provides a product in the prediction-market ecosystem. Its overview names Polymarket.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
1 research sources
Wallets & payments
Privy supplies wallet, stablecoin and programmable financial-operation infrastructure for developers and businesses.
Sourced product research · Not assessed
Research checked:
5 research sources
Gaming platforms
PrizePicks presents sports-pick products covering players, match outcomes and spreads through its app. Geographic permissions and promotions require the provider’s current terms.
Sourced product research · Not assessed
Research checked:
3 research sources
Trading tools & terminals
Prob.Trade provides a trading interface or trading workflow tools. Publicly described capabilities include mcp tools, ai analysis.
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
Probable Markets provides a product in the prediction-market ecosystem. Publicly described capabilities include sports and esports.
Sourced product research · Not assessed
Research checked:
1 research sources
Data & APIs
Historical trades, markets and 1ms orderbook snapshots for Polymarket and Kalshi via REST, ClickHouse SQL, Python SDK and Parquet exports.
Platform context: Polymarket, Kalshi
Published pricing: Paid data plans cover REST, SQL and Parquet access, with a three-day trial advertised. The relevant historical data and delivery scope determine the appropriate plan.
First-party page observed · Not assessed
Research checked:
4 research sources
Prediction-market products
ProbEx provides a product in the prediction-market ecosystem. Its overview names Kalshi.
Platform context: Kalshi
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
Probly provides a product in the prediction-market ecosystem. Publicly described capabilities include sports and esports.
Sourced product research · Not assessed
Research checked:
4 research sources
Prediction-market products
Problyx provides a product in the prediction-market ecosystem. Publicly described capabilities include sports and esports, data api.
Sourced product research · Not assessed
Research checked:
3 research sources
Prediction-market products
Probo’s checked site states that it is closed for business. The directory preserves that provider notice rather than presenting the old brand as a currently available service.
Sourced product research · Not assessed
Research checked:
2 research sources
Prediction-market products
ProbSee provides a product in the prediction-market ecosystem. Its overview names Polymarket.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
1 research sources
Analytics & dashboards
PrognosX provides market research and analysis tools. Its overview names Polymarket. Publicly described capabilities include sports and esports.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
3 research sources
Trading tools & terminals
Prophed AI provides a trading interface or trading workflow tools. Its overview names Polymarket, Kalshi. Publicly described capabilities include replay and backtesting.
Platform context: Polymarket, Kalshi
Sourced product research · Not assessed
Research checked:
3 research sources
News & Education
Substack by Mike S. with weekly global outlook notes and situation monitors on geopolitics and elections, written from the perspective of a prediction market trader.
Historical pricing: Free + paid Substack tier
First-party page observed · Not assessed
Research checked:
1 research sources
Prediction-market products
Prophet Arena provides a product in the prediction-market ecosystem. Its overview names Kalshi. Publicly described capabilities include trader rankings, developer sdk.
Platform context: Kalshi
Sourced product research · Not assessed
Research checked:
3 research sources
Prediction-market products
ProphetX 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
Prediction-market products
PropMarket provides a product in the prediction-market ecosystem. Its overview names Polymarket, Kalshi.
Platform context: Polymarket, Kalshi
Sourced product research · Not assessed
Research checked:
1 research sources
Prediction-market products
propSPACE describes trading player-proposition outcomes using USDC on Arbitrum One.
Sourced product research · Not assessed
Research checked:
1 research sources
Trading tools & terminals
ProTrade provides a trading interface or trading workflow tools. Its overview names Polymarket.
Platform context: Polymarket
Sourced product research · Not assessed
Research checked:
1 research sources
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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.