Bot for Kalshi
Arbitrage Bots

realfishsam / prediction-market-arbitrage-bot

by Samuel EF. Tinnerholm (realfishsam)

Repository metadata checked 2026-09-23. GitHub was accessible; latest repository push: 2026-01-16. This does not verify current trading compatibility, security, or returns.

What it does

Auto-detects and executes arbitrage between Polymarket and Kalshi. Built on the pmxt.dev framework. The author has a useful companion blog post: "How I built a risk-free arbitrage bot for Polymarket-Kalshi."

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One email every Monday with the past week's Kalshi activity: the largest fills, where size kept accumulating, the biggest movers, and the most traded markets. Numbers and tickers — no picks, no predictions.

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Don't want to maintain your own bot?

Bot for Kalshi is the no-code platform for automated prediction-market trading — visual builder, signals, encrypted credentials, kill switch. The infrastructure these open-source projects build, ready to use.

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