Ietisia

Ietisia / polymarket-kalshi-arbitrage-bot

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polymarket.com kalshi-arbitrage-bot kalshi-arbitrage-trading-bot polymarket-kalshi-arbitrage-trading-bot
14
0
100% credibility
Found Apr 08, 2026 at 20 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

This is a ready-to-use program that monitors Bitcoin 15-minute up/down prediction markets on Kalshi and Polymarket, detects price divergences for arbitrage, and automatically places limit orders across both platforms.

How It Works

1
👀 Discover the Opportunity

You learn about a handy tool that watches Bitcoin price prediction bets on two betting sites to find moments when prices don't line up perfectly for easy wins.

2
📥 Get the Tool Ready

You download the simple program and prepare it on your computer with a few easy steps.

3
🔗 Connect Your Accounts

You link your accounts from both betting sites so the tool can see prices and make trades for you safely.

4
⚙️ Set Your Preferences

You choose things like how big a price mismatch to chase and how much to bet each time.

5
🧪 Test Without Risk

You run a pretend mode first to see how it spots gaps and would place bets, without using any real money.

6
▶️ Launch the Watcher

You start the tool, and it quietly monitors prices every few seconds in the background.

7
💡 Spot and Grab Wins

Whenever prices diverge just right, it instantly places matching bets on both sites to lock in sure profits.

💰 Watch Profits Roll In

Your account balance grows steadily as the tool handles risk-free trades automatically, putting more money in your pocket.

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Star Growth

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AI-Generated Review

What is polymarket-kalshi-arbitrage-bot?

This TypeScript bot scans Bitcoin 15-minute up/down prediction markets on Kalshi and Polymarket, spotting arbitrage when the sum of opposite-side asks (like Kalshi UP + Polymarket DOWN) dips below 0.92 but above 0.75 for near-risk-free trades. It polls prices every 2 seconds by default, logs to per-slot files, and auto-places paired limit orders across platforms via Kalshi REST API and Polymarket CLOB. Run `npm start` for live monitoring and arb execution, with dry-run, mock mode, and single-order CLI commands like `npm run kalshi-single-order`.

Why is it gaining traction?

Unlike basic polymarket github api wrappers or kalshi trading bots, it handles dual-venue sync, auto-resolves market slugs, and enforces single-instance runs to avoid log spam or duplicate orders. Configurable thresholds, price buffers, and env toggles like ARB_DRY_RUN make testing safe before live arb on BTC shorts. Devs dig the programmatic API for custom polymarket kalshi arbitrage scanners.

Who should use this?

Prediction market traders chasing polymarket kalshi btc arbitrage bot opportunities, especially those bridging CEX-like Kalshi with Polymarket's on-chain CLOB. Quant devs building polymarket github agents for short-term BTC edges, or hobbyists scanning polymarket kalshi differences without writing websocket pollers from scratch.

Verdict

Solid starter for polymarket kalshi arbitrage github experiments—great README and CLI make it dead simple to spin up—but 14 stars and 1.0% credibility score signal early-stage maturity with no tests or broad validation. Fork and dry-run it if you're in prediction markets; skip for production cash deployment.

(187 words)

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