mila89

mila89 / polymarket-trading-bot

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282
3,570
69% credibility
Found May 26, 2026 at 282 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 an open-source automated trading bot for Polymarket, a legitimate cryptocurrency prediction market. The bot connects to your secure wallet, monitors live UP/DOWN markets for Bitcoin, Ethereum, Solana, or XRP, and automatically executes buy and sell orders based on configurable strategies. It supports two trading approaches: a simple exit-only model that only sells existing positions, and a more active model that can enter new trades and optionally flip positions in emergencies. The bot runs continuously, checking prices every second and posting real trades to the Polygon blockchain. Users are warned to start small, never share their keys, and use a dedicated wallet with limited funds.

How It Works

1
🔍 You discover the trading bot

You find an open-source tool online that promises to automatically trade prediction markets for Bitcoin, Ethereum, and other cryptocurrencies while you sleep.

2
💡 You understand what it does

The bot watches live prediction markets every second, decides when to buy or sell based on rules you choose, and places real trades using your wallet.

3
🔐 You connect your secure wallet

You link a special multi-signature wallet that holds your USDC funds on the Polygon network, keeping your main crypto safe while allowing the bot to trade.

4
⚙️ You pick your trading style

You choose between a cautious exit-only strategy that only sells positions, or a more active strategy that enters and exits trades with an optional safety switch to flip sides quickly.

5
You select your market focus
₿
Bitcoin predictions

Track whether Bitcoin's price will go up or down

Ξ
Ethereum predictions

Track whether Ethereum's price will go up or down

◎
Solana predictions

Track whether Solana's price will go up or down

✕
XRP predictions

Track whether XRP's price will go up or down

6
🚀 You launch the bot

With everything configured, you start the bot and watch as it begins monitoring markets, making decisions, and placing trades automatically.

🎯 Your automated trading runs

The bot works around the clock, watching prices, following your chosen rules, and executing trades on your behalf—reporting results every few seconds.

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AI-Generated Review

What is polymarket-trading-bot?

A TypeScript bot that automates trading on Polymarket's prediction markets. You pick a crypto (BTC, ETH, SOL, XRP), a time window (5 minutes to 24 hours), and the bot streams live prices from the CLOB, executes orders against real on-chain balances, and runs one of two configurable strategies. Trade_1 exits positions when price or time thresholds hit. Trade_2 enters new positions, exits on price ranges, and can flip to the opposite side in a single tick. It posts FAK orders against your Gnosis Safe proxy wallet on Polygon and polls for settlement confirmation.

Why is it gaining traction?

Prediction market bots are hot right now, and this one stands out because it trades against actual wallet balances rather than simulating P&L. The two-strategy model gives you a choice between a conservative exit-only approach or a more aggressive entry/exit system with emergency swaps. Configuration lives in a single TOML file, so tweaking thresholds and switching coins requires no code changes. The polling loop runs every second with retry logic, which is reasonable for retail-scale execution.

Who should use this?

Crypto traders who want hands-off execution on Polymarket's BTC/ETH/SOL/XRP markets. Quant researchers testing time-series strategies against real order flow. Developers building around Polymarket's CLOB API who need a reference implementation. Not suitable for high-frequency trading or anyone needing sub-second fills.

Verdict

At 282 stars with a 0.699% credibility score, this is an early-stage project from a single developer. The documentation is functional but thin on risk warnings, and there is no visible test suite. The code works as described, but running real money through a prototype trading bot with no circuit breakers beyond config thresholds is a significant risk. Start with the minimum trade_usd, verify the retry logic handles Polymarket's rate limits, and do not trust the portfolio valuation without independent on-chain verification.

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