Polymarket + Kalshi Arbitrage Finder

Scans both Polymarket and Kalshi for matching binary prediction markets and identifies price discrepancies where buying YES on one platform and NO on the other guarantees a risk-free profit. Returns ranked arb opportunities with trade instructions, spread, and return %.

Polymarket & Kalshi Scraper - Odds, Markets & Arbitrage

scrapesage/prediction-markets-scraper

Scrape Polymarket & Kalshi prediction markets: live odds & implied probability, 24h/weekly volume, liquidity, order flow (trades), top holders, wallet P&L, price history, and cross-platform arbitrage. Keyless, no browser. Monitor mode tracks odds moves and new markets. Export to JSON, CSV or Excel.

Prediction Market Odds API — Polymarket + Kalshi

westerly_breaker/prediction-market-odds-api

Search or look up Polymarket and Kalshi prediction markets and get one unified JSON schema back: prices, volume, liquidity, order books, and de-vigged fair probabilities (multiplicative/power method). No API key needed — built for research, arbitrage-scanning, and AI agents.

Prediction Market Scanner — Polymarket vs Kalshi

0xgollum/prediction-market-scanner

Search any topic and get live binary markets from Polymarket and Kalshi side by side — YES/NO prices, volume and links. Pairs the same yes/no question across both platforms and shows how their odds diverge.

Multi-platform prediction market intelligence: Polymarket, Kalshi, Manifold & PredictIt. 10+ AI trading signals: arbitrage, whale alerts, momentum, dead cat bounces, price surges, expiry urgency & risk rankings. AI briefs via DeepSeek. For quant funds, crypto traders & AI agents.

Polymarket Scraper

sheshinmcfly/polymarket-scraper

Search Polymarket prediction markets, events, and trades with live odds, volume, liquidity, and whale trade activity. No login or API key needed -- filter by category or keyword and get structured data ready for market research, arbitrage analysis, or sentiment tracking.

Scrape Kalshi and Polymarket prediction markets into one normalized feed: questions, implied probabilities, volume, close dates — plus full odds history (candlesticks & price time-series). Pure API, no browser.

Polymarket Market Monitor + Whale & Arbitrage Signals

memo23/polymarket-market-monitor

Turn Polymarket into a trading-signal feed: watchlist any market by slug, track price and volume changes between runs, whale flow, top holders, price history, orderbook depth, and Kalshi arbitrage spreads. Category, keyword and volume filters. JSON or CSV. First 5 results per run free

Extract real-time Polymarket prediction market data: market metadata, prices, volumes, liquidity, and event outcomes. Scrapes the Polymarket API and Gamma Markets API for comprehensive prediction market analytics.

Polymarket Markets Scraper

felt/polymarket-markets-scraper

Scrapes markets and events from Polymarket's public Gamma API with pagination and filtering.