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Cross-Venue Prediction Market Spread Monitor

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Read-only, explainable Polymarket and Kalshi candidate spread analysis with fee, depth, and matching evidence.

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from $0.05 / actor start

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BRADLEY B

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Polymarket & Kalshi Arbitrage Monitor

automation-lab/polymarket-kalshi-arbitrage-monitor

Match public Polymarket and Kalshi binary contracts, compare outcome prices, and export confidence evidence with candidate cross-market spread calculations.

Stas Persiianenko

Prediction Market Data Suite (Polymarket + Kalshi)

ichigowa/prediction-market-data-suite

Unified, normalized prediction-market data from Polymarket and Kalshi: market listings, live prices, orderbooks, recent trades and official resolutions in one cross-platform schema. No auth required.

kyle herman

Prediction Markets Feed — Polymarket, Kalshi, Manifold

dirtycode/prediction-markets-feed

Unified, normalized live odds across prediction markets — Polymarket, Kalshi and Manifold in one schema, one call. Implied probability, spread, volume, open interest and market lifecycle. Public data: no login, no API key, no account.

Dirtycode

Polymarket + Kalshi - Prediction Market Intelligence

straightforward_hydra/prediction-market-intelligence

Unified live odds & implied probabilities from Polymarket and Kalshi in one feed. No key.

Dev D

Prediction Markets Scraper - Polymarket & Kalshi Combined

feedforge/prediction-markets-scraper

Scrape Polymarket and Kalshi prediction markets in one run. Odds, prices, volume and close dates on one schema, as JSON or CSV.

Dominik

Kalshi Scraper | Prediction Market API

parsebird/kalshi-scraper

Extract prediction market data from Kalshi: series, events, markets, prices, volume, and resolution rules. Search by keyword or paste Kalshi market URLs.

ParseBird

Polymarket Scraper — Markets, Prices, Odds & Order Books

pixflor/polymarket-markets-scraper

Export live Polymarket prediction-market data as clean rows: question, Yes/No prices, implied probability, spread, liquidity, 24h volume, resolution date and optional order-book depth.

Pixflor

Polymarket Kalshi Arbitrage Finder & Monitor

antndev/polymarket-kalshi-arbitrage-finder

Finds matched markets across Polymarket and Kalshi and computes fee-adjusted, order-book-depth-aware arbitrage edges. Monitor mode emits only new or changed opportunities and can push webhook alerts.

Anton König

Polymarket Market Data Scraper

meticulous_sweetwilliam/polymarket-market-data

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.

Leo

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.