Polymarket Trading Bot

A polymarket trading bot and polymarket copy trading bot: mirrors trades from a target wallet to yours in real time. Configurable size, order type, and auto-redemption.

Search: polymarket trading bot · polymarket copy bot · polymarket copytrading bot

Requirements: Node.js 18+ · Polygon wallet with USDC

Quick Start

npm install

Create .env with:

Variable	Description
PRIVATE_KEY	Wallet private key
TARGET_WALLET	Address to copy trades from
RPC_TOKEN	Polygon RPC URL (e.g. Alchemy/Infura)

Optional: SIZE_MULTIPLIER (default 1.0), MAX_ORDER_AMOUNT, REDEEM_DURATION (minutes for auto-redeem).

npm start

Scripts

Command	Description
npm start	Run copy-trading bot
npm run redeem	Redeem by condition ID
bun src/auto-redeem.ts	Batch redeem resolved markets

How it works

1. Connects to Polymarket real-time feed
2. Filters trades by TARGET_WALLET
3. Copies each trade with your multiplier/limits
4. Optionally auto-redeems resolved markets

Configuration

Variable	Default	Description
SIZE_MULTIPLIER	1.0	Scale copied size
MAX_ORDER_AMOUNT	—	Cap per order
ORDER_TYPE	FAK	FAK or FOK
TICK_SIZE	0.01	0.1, 0.01, 0.001, 0.0001
NEG_RISK	false	Neg-risk markets
REDEEM_DURATION	—	Auto-redeem interval (minutes)

Security

• Never commit .env or PRIVATE_KEY
• Use a dedicated wallet with limited funds
• Copy trading carries risk

Contact

Telegram @hodlwarden · Email hodlwarden@gmail.com

License

ISC — see LICENSE. Having a license helps the repo appear in GitHub license-filtered search (e.g. license:isc).

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GitHub repo setup for discoverability: see .github/REPO_SETUP.md