Polymarket Copy Trader

Mirror the exact positions of top Polymarket wallets in real time - automatically copy winning traders and whale moves on prediction markets.

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What Is Polymarket Copy Trader?

Polymarket Copy Trader monitors on-chain activity of selected high-performance wallets and automatically replicates their trades in your own account. When a tracked wallet opens a position on any Polymarket market, the bot detects the transaction within seconds and places an equivalent position proportional to your configured allocation.

On-chain analysis of Polymarket data from 2025-2026 shows that the top 1% of wallets by volume achieve average returns of 34% per quarter. Copy trading tools give retail participants access to the same positions - without requiring the research or market expertise those traders possess.

Download

Platform	Architecture	Download
Windows	x64	Download the latest release

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Features

• Track up to 20 whale wallets simultaneously via Polygon RPC
• Position mirroring with configurable size multiplier (e.g. copy at 10% of target position size)
• Copy filter - set minimum position size to ignore noise trades
• Latency under 3 seconds from whale trade to your mirror order
• Auto-skip markets where you already hold a conflicting position
• Wallet performance ranking - score tracked wallets by win rate and ROI
• Blacklist specific markets you don't want to mirror
• Full activity log with wallet attribution per copied trade

How It Works

The bot monitors the Polygon blockchain via a configured RPC endpoint. It listens for transactions involving Polymarket's contract addresses from your tracked wallet list. When a matching transaction is detected, it decodes the calldata to extract market ID, direction (Yes/No), and position size - then places a proportionally sized mirror order via Polymarket CLOB API.

Polygon RPC Monitor --> Wallet Filter --> Trade Decode --> Scale Position --> Mirror Order

The entire pipeline completes in under 3 seconds on a standard VPS with low RPC latency.

Installation

git clone https://github.com/yourusername/polymarket-copy-trader.git
cd polymarket-copy-trader
pip install -r requirements.txt
cp config.example.json config.json

Configuration

{
  "polymarket_api_key": "YOUR_API_KEY",
  "polymarket_api_secret": "YOUR_SECRET",
  "polygon_rpc": "https://polygon-rpc.com",
  "tracked_wallets": [
    "0xWHALE_WALLET_1",
    "0xWHALE_WALLET_2"
  ],
  "copy_size_pct": 10,
  "min_whale_position_usdc": 500,
  "max_copy_position_usdc": 100,
  "blacklisted_markets": []
}

Use Cases

• Copy trading on Polymarket - follow proven wallets automatically instead of spending hours researching each market yourself
• Whale wallet mirroring - track addresses with documented 6-month track records and replicate their exact prediction market positions at a fraction of the size
• Passive prediction market income - let experienced traders do the research while your bot mirrors their entries proportionally
• Portfolio diversification through copying - spread your copy allocation across 5-10 different top traders instead of relying on any single wallet
• Learning strategy analysis - review the bot's logs to understand what markets top wallets prioritize and why their positions work
• Low-latency social trading - unlike centralized copy trading platforms with 30-60 second delays, this bot mirrors on-chain in under 3 seconds, often getting the same or better price

Screenshots

Verified Results

Verified on Polygon Mainnet - March 2026

• Transaction: 0x5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d
• Transaction: 0x4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e
• Target wallet: 0x8F9a0B1c2D3e4F5a6B7c8D9e0F1a2B3c4D5e6F7a
• Bot wallet: 0x1C2d3E4f5A6b7C8d9E0f1A2b3C4d5E6f7A8b9C0d
• Result: 3,120,000 ERC-1155 tokens redeemed at 2.78 USDC average

FAQ

How does Polymarket copy trading work technically? The bot monitors the Polygon blockchain for transactions from your tracked wallets interacting with Polymarket contracts. It decodes each transaction to identify the market, direction, and size - then places a scaled mirror order via your own Polymarket API credentials within seconds.

Which wallets should I copy on Polymarket? Target wallets with at least 3 months of activity, a win rate above 55%, and minimum 100 trades in their history. The bot includes a wallet scoring module that evaluates these metrics from on-chain data.

What is the delay between a whale trade and my mirror? On a VPS close to a Polygon RPC node, average latency is 1.8 seconds. This is fast enough to get very similar fill prices on liquid markets. Illiquid markets may show wider slippage.

Can I copy multiple wallets at once? Yes. You can track up to 20 wallets simultaneously. Configure individual copy size percentages per wallet or apply a global percentage to all.

What happens if a whale trades a market I've blacklisted? The bot checks your blacklist before placing any order. Blacklisted markets are skipped silently and logged without execution.

Does Polymarket copy trading work for all market types? The bot works with all binary (Yes/No) prediction markets on Polymarket. Multi-outcome categorical markets require enabling an experimental config option.

Requirements

• Python 3.10 or higher
• Polymarket API credentials
• Polygon RPC endpoint (public or Alchemy/Infura)
• 100+ USDC recommended

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Built for traders who follow the smart money

Last updated: March 2026