Polymarket Copy Trading Bot

Automated copy trading for Polymarket. Mirrors trades from top performers with smart position sizing and real-time execution.

How It Works

1. Select Traders – Choose from Polymarket leaderboard or Predictfolio
2. Monitor – Bot watches trader activity via Polymarket Data API
3. Size – Scales positions by your balance vs trader balance
4. Execute – Places matching orders on Polymarket
5. Track – Full history in MongoDB

Quick Start

Prerequisites

• Node.js v18+
• MongoDB (Atlas free tier)
• Polygon wallet with USDC + POL for gas
• RPC endpoint or Alchemy

Install

git clone https://github.com/dev-protocol/Polymarket_Copy_Trading_Bot_V2
cd Polymarket_Copy_Trading_Bot_V2
npm install

Configure

Option A – Setup wizard (recommended)

npm run setup

Option B – Manual

cp .env.example .env
# Edit .env with your settings

Run

npm run build
npm run health-check   # Verify config
npm start              # Start trading

Commands

Category	Command	Description
Start	npm run setup	Interactive config wizard
	npm run health-check	Verify configuration
	npm run build	Compile TypeScript
	npm start	Start trading bot
	npm run dev	Run in dev mode
Wallet	npm run check-proxy	Check wallet & positions
	npm run check-allowance	Verify USDC allowance
	npm run set-token-allowance	Set USDC spending approval
Stats	npm run check-stats	Trading statistics
	npm run check-activity	Recent activity
Positions	npm run manual-sell	Sell a position
	npm run close-stale	Close old positions
	npm run redeem-resolved	Redeem resolved markets
Traders	npm run find-traders	Find best traders
	npm run find-low-risk	Low-risk traders
Simulate	npm run simulate	Backtest strategy
Help	npm run help	List all commands

Configuration

Variable	Description	Default
USER_ADDRESSES	Traders to copy (comma-separated)	—
PROXY_WALLET	Your Polygon wallet	—
PRIVATE_KEY	Wallet private key (no 0x)	—
MONGO_URI	MongoDB connection string	—
RPC_URL	Polygon RPC endpoint	—
FETCH_INTERVAL	Monitor interval (seconds)	1
EXECUTOR_INTERVAL_MS	Trade check interval (ms)	300
COPY_STRATEGY	PERCENTAGE, FIXED, or ADAPTIVE	PERCENTAGE
COPY_SIZE	Copy % or fixed $	10.0
MAX_ORDER_SIZE_USD	Per-trade cap	100.0

See .env.example for full options.

Features

• Multi-Trader – Copy multiple traders at once
• Position Sizing – Balance-based scaling
• Tiered Multipliers – Different multipliers by trade size
• Trade Aggregation – Combine small trades above $1 minimum
• Real-time – 1s monitor + 300ms executor (configurable)

Docs

• Getting Started
• Quick Start
• Multi-Trader Guide
• Tiered Multipliers

License

MIT – See LICENSE

Disclaimer: For educational use only. Trading carries risk. Not responsible for financial losses.

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Support: For more support or questions, reach out on Telegram: @NevoSayNev0