POLYMARKET-SPORTS

POLYMARKET-SPORTS / Polymarket-trading-bot

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github.comPOLYMARKET-SPORTSPolymarket-trading-bot arbitrage-bot automated-trading btc-updown clob copy-trading
113
410
75% credibility
Found May 17, 2026 at 113 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
JavaScript
AI Summary

This is an automated trading bot for Polymarket prediction markets. It runs on a 5-minute cycle for BTC Up/Down markets, placing buy orders on both sides and looking for profitable arbitrage opportunities. The bot can also optionally copy trades from other successful traders you choose to follow. It handles the complete trading lifecycle: discovering markets, placing orders, monitoring prices in real-time, merging matched positions back to USDC, and redeeming winnings after markets resolve. Built-in safety controls let you set spending limits, hourly loss caps, and per-market budgets so you never risk more than you intend.

How It Works

1
💡 You hear about automated trading on Polymarket

You discover this open-source bot that can automatically trade 5-minute BTC markets on Polymarket, looking for profitable opportunities.

2
🔐 You connect your crypto wallet

You set up a dedicated wallet with USDC on Polygon, separate from your main funds, and link it to your Polymarket account.

3
⚙️ You choose your trading strategy

You pick how aggressive you want to be by setting spending limits, and decide whether to trade solo or copy another trader's moves.

4
Two ways to trade
📊
Main Arbitrage Bot

The bot discovers markets, posts buy orders on both sides, waits for the right moment, and automatically redeems winnings.

👥
Copy Trading Mode

You pick a successful trader to follow, and the bot automatically copies their buys with your own size limits.

5
🚀 The bot runs automatically

While you sleep or go about your day, the bot monitors prices in real-time, places orders, merges matched positions, and waits for markets to resolve.

6
📈 You check your results

After each market closes, you see a summary of what was spent, what was merged back to USDC, and what was redeemed as winnings.

🎉 Your trading runs hands-free

The bot handles the entire cycle—discovering markets, trading, merging positions, and redeeming winnings—while you stay in control of your limits.

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Star Growth

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AI-Generated Review

What is Polymarket-trading-bot?

A Node.js trading bot that automates arbitrage and copy-trading on Polymarket's BTC 5-minute markets. It posts dual-sided orders, watches real-time prices via WebSocket, and automatically captures pricing inefficiencies when both sides of a market become cheap enough. The bot also includes a separate copy-trading module that mirrors trades from target wallets, complete with slippage controls, spend caps, and staleness filters.

Why is it gaining traction?

The arbitrage engine handles the full lifecycle: ladder posting, taker execution, on-chain merging of matched pairs, and redemption after oracle resolution. Built-in circuit breakers and per-market spend limits make it feel less like a script and more like a production runtime. The copy-trading path is equally fleshed out with dedicated polling, dry-run mode, and allow/block lists for conditions.

Who should use this?

Developers running Polymarket strategies who want to automate the tedious cycle of posting, monitoring, and redeeming. Quant traders building on Polymarket's CLOB API will find the authentication flow and order types already implemented. Researchers testing copy-trading hypotheses can use dry-run mode to simulate without spending gas.

Verdict

This is a functional, well-documented tool for a specific niche, but the 113 stars and 0.75% credibility score signal early-stage code. The risk controls and graceful shutdown handling suggest real thought, but test coverage and community feedback are thin. Start in dry-run mode and verify the RPC reliability before committing capital.

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