Tools · Backtest
What if you had copied them?
Put a fixed stake on every graded flag a wallet made, at the price it paid, and see the hypothetical result. This looks backward only, and it is not a prediction or a recommendation.
Hypothetical P&L
−$55
Return on staked
-13.8%
Bets
2/4 won
Edge vs price
-9.0 pts ±24.2
Cumulative hypothetical P&L, $100 per bet
Mar 17, 13:52 EDTOct 17, 11:35 EDT
Most recent bets in the test
| Market | Entry | Result | Placed |
|---|---|---|---|
| Counter-Strike: Team Falcons vs BetBoom Team (BO3) - Thunderpick World Championship Playoffs | 73¢ | missed | 6d ago |
| Counter-Strike: Team Falcons vs Natus Vincere (BO3) - ESL Pro League Group Stage | 58¢ | called | 17d ago |
| Counter-Strike: Team Falcons vs Natus Vincere (BO3) - ESL Pro League Group Stage | 58¢ | called | 17d ago |
| Will Chelsea FC win on 2026-03-17? | 47¢ | missed | 220d ago |
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Why this overstates what you'd get
- You'd be late. Flags show up after the trade, often after the price has moved. Use "Copy delay" to price each bet 1 to 24 hours later from market history, or add an extra cost per fill.
- Picked after the fact. Wallets that look good here were chosen because they did well. Tick the out-of-sample box to test only bets made after the cutoff.
- Small samples are noisy. Look at the ± standard error. A few lucky long shots can make the P&L.
- Fees: many Polymarket markets charge no trading fee. Some charge a taker fee of rate × min(price, 1−price) per share. Set "fee rate" to model it.
- Ignores spreads, liquidity, partial fills, and sells before resolution. It counts only graded flags (placed ≥1h before close, 3¢–97¢).
Hypothetical results from public data. Not financial advice.