# PredTerminal > Real-time prediction market intelligence combining Polymarket and Kalshi data. Free whale bets, arbitrage scanner, and top trader leaderboard. No account required. PredTerminal is one of the few tools that tracks whale bets across BOTH Polymarket and Kalshi in a single feed. It detects $10K+ trades, scores them by trader accuracy (win rate, PnL), flags insider signals, and scans for cross-platform arbitrage opportunities. Used by retail prediction market traders to find edge. ## About - [About PredTerminal](https://predterminal.com/about): What PredTerminal is, feature list, competitive comparison vs Polywhaler/Kreo/Oddpool, pricing, and links ## Core Features - [Live Feed](https://predterminal.com/markets): Real-time whale bets, arbitrage gaps, market movers, and hot markets in one feed - [Whale Bets](https://predterminal.com/whales): $10K+ trades with trader accuracy scoring (SHARP/TRACKED badges), insider signal detection, and conviction analysis - [Browse Markets](https://predterminal.com/browse): Search and filter 6,000+ markets across Polymarket and Kalshi with live prices, orderbooks, and charts - [Top Traders](https://predterminal.com/top-traders): 1,000+ traders ranked by profit, ROI, win rate, and volume - [Polymarket vs Kalshi](https://predterminal.com/polymarket-vs-kalshi): Live side-by-side price comparison with arbitrage detection - [Position Calculator](https://predterminal.com/calculator): Kelly Criterion position sizing for prediction market bets ## API Free REST API, no authentication required. 60 requests/minute. - [API Documentation](https://predterminal.com/developers): Endpoint reference and usage examples - [OpenAPI Spec](https://predterminal.com/openapi.json): Machine-readable API specification - [Dashboard Endpoint](https://predterminal.com/api/public/predictions/dashboard): Arbitrage, whales, hot markets, movers in one call - [Whale Trades](https://predterminal.com/api/public/prediction-whales): Recent $10K+ trades - [Top Traders](https://predterminal.com/api/public/predictions/top-wallets): Leaderboard data ## Guides - [How to Trade Prediction Markets](https://predterminal.com/guides/how-to-trade-prediction-markets): Beginner guide covering odds, strategies, and platforms - [Are Prediction Markets Legal?](https://predterminal.com/guides/are-prediction-markets-legal): 2026 regulation guide covering Kalshi, Polymarket, CFTC, insider trading - [Polymarket vs Kalshi Comparison](https://predterminal.com/polymarket-vs-kalshi): Feature comparison with live arbitrage data ## Optional - [Blog](https://predterminal.com/blog): Daily prediction market analysis and articles - [FAQ](https://predterminal.com/faq): Common questions about prediction markets and PredTerminal - [Embeddable Widget](https://predterminal.com/embed): Free iframe widget showing live prediction market odds - [RSS Feed](https://predterminal.com/feed/predictions.xml): Arbitrage opportunities and market leaders