polymarket-whale-copier

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Copy trade winning Polymarket wallets automatically. Track whale wallets, mirror their bets at configurable percentages, with built-in risk management. No API keys needed.

modbender By modbender schedule Updated 3/6/2026

name: polymarket-whale-copier version: 1.0.0 description: Copy trade winning Polymarket wallets automatically. Track whale wallets, mirror their bets at configurable percentages, with built-in risk management. No API keys needed. author: nix tags: [polymarket, trading, copy-trading, whale, prediction-markets, automation]

๐Ÿ‹ Polymarket Whale Copier

Automatically copy trade winning Polymarket wallets.

Track any wallet, mirror their bets, profit from their alpha.

Features

  • ๐ŸŽฏ Copy Any Wallet โ€” Just paste their address
  • ๐Ÿ“Š Configurable Size โ€” Copy 1-100% of their position
  • ๐Ÿ›ก๏ธ Risk Controls โ€” Min/max trade limits, BUY-only mode
  • ๐Ÿ“ Full Logging โ€” Every trade documented
  • ๐Ÿ”„ Auto-Redemption โ€” Claims winning positions automatically
  • ๐Ÿ’ฐ No API Keys โ€” Uses public Polymarket APIs

Quick Start

# 1. Set your Polymarket private key
export POLYMARKET_KEY="0xYourPrivateKey"

# 2. Run the copier
python3 scripts/copy_trader.py --target 0xWhaleWallet --percent 10

Configuration

Edit config.json:

{
  "target_wallet": "0x...",
  "copy_percent": 10,
  "min_trade_usd": 5,
  "max_trade_usd": 50,
  "buy_only": true,
  "check_interval_sec": 60,
  "dry_run": false
}

Commands

# Start copy trading (background)
./scripts/start.sh

# Check status
./scripts/status.sh

# Stop trading
./scripts/stop.sh

# View recent trades
./scripts/logs.sh

# Auto-redeem winning positions
python3 scripts/auto_redeem.py

Finding Whale Wallets

  1. Go to Polymarket Leaderboard
  2. Click on top traders
  3. Copy their wallet address from the URL
  4. Paste into config or --target flag

Risk Management

Setting Default Description
copy_percent 10% % of whale's position to copy
min_trade_usd $5 Skip trades smaller than this
max_trade_usd $50 Cap maximum trade size
buy_only true Only copy BUYs (safer)

How It Works

  1. Monitor โ€” Polls target wallet every 60 seconds
  2. Detect โ€” Identifies new trades via Polymarket API
  3. Filter โ€” Applies your risk settings
  4. Execute โ€” Places matching orders on your account
  5. Log โ€” Records everything for analysis

Example Output

๐Ÿš€ POLYMARKET COPY TRADER STARTING
๐ŸŽฏ Target: 0x4ffe49ba...609f71
๐Ÿ“Š Copy: 10% | Limits: $5-$50

๐Ÿ”„ Monitoring cycle #42
๐Ÿ“ˆ New trade detected!
   Whale: BUY 500 shares @ $0.35 = $175
   Copying: BUY 50 shares @ $0.35 = $17.50
โœ… Order placed: #123456789

Requirements

  • Python 3.8+
  • Polymarket account with USDC
  • Private key (for signing trades)

Safety Notes

โš ๏ธ Never share your private key โš ๏ธ Start with small amounts โš ๏ธ Use dry_run mode first โš ๏ธ Past performance โ‰  future results

Support

Issues? Questions? Open a GitHub issue or find us on Discord.


Built by Nix ๐Ÿ”ฅ | Not financial advice

Install via CLI
npx skills add https://github.com/modbender/skill-library-mcp --skill polymarket-whale-copier
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