arbitrageBot-group

arbitrageBot-group / Polymarket-trading-bot

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github.comarbitrageBot-groupPolymarket-trading-bot arbitrage-bot automated-trading btc-updown clob copy-trading
226
717
69% credibility
Found May 17, 2026 at 234 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 open-source trading bot for Polymarket prediction markets. It runs on the Polygon blockchain and offers two ways to trade: an arbitrage engine that finds price gaps in BTC 5-minute markets, or a copy-trading mode that mirrors another wallet's activity. The bot connects to your trading wallet, monitors live market prices via WebSocket, places buy orders, merges matched positions back to USDC, and redeems winnings after markets resolve. It includes built-in safety controls like spend caps, hourly loss limits, and automatic shutdowns to protect users from runaway losses.

How It Works

1
💬 You hear about it in a trading community

Someone shares a link to a trading bot that automatically trades BTC markets every 5 minutes on Polymarket.

2
🔍 You read the documentation

You explore the README and learn it can run two different strategies: automatic arbitrage trading or copying successful traders.

3
🔑 You connect your trading wallet

You provide your Polygon wallet address and private key so the bot can make trades on your behalf.

4
⚙️ You set your safety limits

You choose how much money the bot can spend per market, per hour, and when it should automatically stop to protect you from losses.

5
You pick your trading style
📊
Arbitrage mode

The bot watches BTC markets and places orders on both sides, looking for price gaps to profit from.

👥
Copy trading mode

The bot watches a target wallet and automatically mirrors their buys with your own sizing and limits.

6
🚀 You launch the bot

The bot starts running, watching markets, placing orders, and keeping you updated through logs.

💰 You watch your trades unfold

The bot executes your strategy automatically, merges matched positions, and redeems winnings after markets resolve.

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Star Growth

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AI-Generated Review

What is Polymarket-trading-bot?

Polymarket-trading-bot is a Node.js trading bot that automates speculation on Polymarket's short-duration BTC markets. It runs two distinct strategies: a main arbitrage engine that posts dual-sided buy ladders on 5-minute BTC Up/Down markets, waits for favorable combined pricing, and redeems winning positions after oracle resolution; and a copy-trading module that mirrors another wallet's buy activity in real time. The bot handles the full lifecycle including on-chain approvals, order execution via Polymarket's CLOB API, WebSocket order-book monitoring, position merging, and settlement -- all on Polygon.

Why is it gaining traction?

The arbitrage engine targets a specific, recurring market structure where combined Up/Down pricing can dip below par, creating a mechanical edge when both legs fill. Unlike manual trading, it posts limit orders at window open, monitors live best asks via WebSocket, and fires taker orders automatically when the edge threshold is met. The copy-trading path is equally hands-off: it polls target wallet activity and submits capped buy orders without requiring you to watch the market yourself. Both paths include configurable risk controls (spend caps, inventory imbalance guards, hourly loss circuit breakers) so you can test with small sizing before scaling.

Who should use this?

Experienced Polymarket traders who want to automate short-duration BTC markets without building the infrastructure themselves. Quant traders who understand the mechanics of negative-risk token markets and want a production-ready runtime with on-chain settlement. Anyone running a dedicated copy-trading operation on Polymarket who needs a configurable bot with slippage filters, staleness checks, and per-market spend caps. Not for casual users -- you need a Polygon wallet, USDC on Polygon, and a working understanding of how Polymarket's CLOB and token merging work.

Verdict

This is a functional, well-documented trading bot for a specific niche strategy, but the 0.699999988079071% credibility score and 226 stars reflect a small, unproven codebase. The documentation is thorough and the risk controls are comprehensive, but there is no visible test suite and the project lacks community validation. Start in dry-run mode with conservative caps before trusting it with real capital.

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