Every prediction market in one place
Institutional-grade infrastructure for trading, analyzing, and building across every prediction market venue.
Get access to our live arbitragePolymarketKalshiHyperliquidLimitlessOpinionPredict.funMyriadSX Bet
Gemini
Alchemy
Privy
Whop
DFlowRainPolymarketKalshiHyperliquidLimitlessOpinionPredict.funMyriadSX BetGeminiAlchemyPrivyWhopDFlowRainPolymarketKalshiHyperliquidLimitlessOpinionPredict.funMyriadSX BetGeminiAlchemyPrivyWhopDFlowRain0+
Users have used Predictefy to monitor, trade, and analyze prediction markets.
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Prediction Market Venues integrated and cross matched in Predictefy.
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Historical data dating back to 2020 across all leading venues.
TradersStart Trading
Build and trade across every prediction market
Live data, matched markets, cross-venue arbitrage, and execution routes across every connected venue.
Unified market access
One integration to access prices, markets, liquidity, and execution across connected prediction market venues.
Cross-venue arbitrage
Find price gaps across matched markets, with spread, size, venue, and route shown in real time.
Live data & alerts
Normalized prices, volume, liquidity, and market movements delivered through dashboards, APIs, and alerts.
ready
Install SDK
$npm install @predictefy/sdk$predictefy auth# stream prices, arbs, and route orders
Developers
Build on institutional-grade prediction market infrastructure
Integrate normalized market data, arbitrage signals, and order routing across prediction market venues through one API and SDK.
Market Data API
Access institutional-grade market data across connected venues, including normalized prices, markets, outcomes, order books, volume, and liquidity through one consistent schema.
Arbitrage Feed
Stream matched-market price gaps across venues, including spread, size, liquidity, and route data for your own tools, trading systems, bots, or dashboards.
Order Routing
Programmatically place, route, and manage orders across supported prediction markets without building and maintaining separate venue integrations.
AI AgentsContact us
AI agents for prediction markets
Connect agents to institutional-grade market data, arbitrage signals, and execution tools across prediction market venues.
MCP Server
Connect any MCP-capable agent to live prediction market data, matched markets, arbitrage feeds, and execution workflows.
Agent CLI
Install once and give your agents the tools to read markets, detect opportunities, and interact with connected venues from your own environment.
Skills & Tools
Equip agents with market data, routing, onchain state, and execution skills so they can research prices, spot edges, and place trades end-to-end.
connected
Agents onchain
$npx @predictefy/mcpconnected · 10 venues · streaming# agent reads prices, spots edges, routes trades
Works with
+ more
Institutions
Built for serious capital
Predictefy gives institutions a real-time edge across prediction and public markets by matching outcomes across venues, normalizing order book and trade data, and mapping event probabilities to related stocks, ETFs, sectors, commodities, and macro instruments.
Funds & trading desks
Cross-venue pricing, arbitrage signals, and execution routing to run prediction-market strategies at scale.
Data & research teams
Normalized multi-year market data, matched markets, and an API to power research and models.
Market makers
Real-time order books and spreads across every venue to quote and hedge with confidence.
Platforms & apps
One integration for prices, data, and routing across all prediction markets - skip per-venue builds.
For Traders
From research and discovery to execution
One system for discovery, conviction, execution, and rewards, no tab sprawl, no context switching.
Predictefy · 01Discover
Predictefy · 02Track
Predictefy · 03Compare
Predictefy · 04Trade
Predictefy · 05Arbitrage
Predictefy · 06Unified Portfolio
For builders
What you can build
01
Cross-market arbitrage
Find price discrepancies across venues in real time. Predictefy matches identical markets across Polymarket, Kalshi, Limitless, Probable, and more, helping traders identify where the same outcome is priced differently.
Built for: traders, quants, funds, arbitrage desks.
02
Prediction market data & trading terminal
Build a Bloomberg-style terminal for prediction markets with live prices, historical charts, matched markets, liquidity, volume, venue comparison, and execution from one interface.
Built for: trading platforms, research desks, funds, data teams.
03
Historical backtesting
Access multi-year OHLCV, price, volume, and liquidity data across major prediction markets. Research, test, and validate strategies before deploying capital.
Built for: quants, systematic traders, funds, researchers.
04
Multi-venue trading
Trade across Polymarket, Kalshi, Limitless, Probable, and more from one unified codebase. No need to build and maintain separate venue integrations.
Built for: builders, trading apps, funds, execution tools.
05
Matched markets
Automatically identify the same event across different prediction markets. Compare prices, liquidity, and venue availability for equivalent outcomes in one place.
Built for: traders, data teams, arbitrage tools, research platforms.
06
Smart order router
Route trades to the venue with the best price, liquidity, and execution conditions. The router scans multiple venues so users avoid overpaying and get better fills.
Built for: professional traders, funds, trading terminals, execution platforms.
News
Predictefy in the news
Kalshi's Iran prediction market and the death-rule fine print
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Read article ↗Hyperliquid Processes $225 Billion in Volume as HIP-4 Aims to Boost Prediction Markets
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