Copy trading means automatically or manually repeating another trader's positions. Because Polymarket trades settle on a public blockchain, anyone can see what large wallets buy and sell — which makes Polymarket copy trading popular.

How Copy Trading on Polymarket Works

  1. Find a trader's public profile or wallet address.
  2. Watch their new positions (manually or with a tracking tool).
  3. Place the same trade, usually at a smaller size.

Third-party "copy trade" or "copytrade" tools (sometimes called PolyCopy or similar) automate this [verify before publishing]. They are not run by Polymarket, and PredAcademy doesn't endorse any. Never give a tool your private keys.

The Risks of Copying Trades

  • Price lag: by the time you copy, the price may have moved — you pay more for the same bet.
  • Hidden context: the trader may be hedging elsewhere, so their visible bet is only half the story.
  • Survivorship bias: leaderboards show winners, not the many who lost.
  • Liquidity: in thin markets, copying pushes prices against you (slippage).

Copy Trading Prediction Markets vs Stocks

Prediction markets resolve to $1 or $0, so a copied position can go to zero quickly. Size positions with Kelly position sizing, not by matching someone else's amount.

Bottom Line

Copy trading can be a way to study how experienced traders think. It is not a strategy that guarantees profits. Read how to make money on Polymarket for a realistic view.