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Backtest Lab

Mark-to-market checks on stored hourly price snapshots. Fees and fills excluded.

Open Strategy Playbook
Poly Rows
5000
Edge Snapshots
0
Updated
0m ago

Backtests show Polymarket price history only. Historical Kalshi prices and cross-platform convergence results are unavailable under our Live Data license.

Fade fast moves

Bet against a move that already exceeded the threshold.

26 trades
Avg return
+28.25pp
Hit rate
76.9%
Median
+25.12pp
Best / Worst
+77.0 / -6.5

Fade extreme prices

Bet against very high YES or very low YES prices over the horizon.

873 trades
Avg return
-0.14pp
Hit rate
20.6%
Median
+0.00pp
Best / Worst
+79.5 / -6.0

Momentum follow

Buy the direction of a move that already exceeded the threshold.

26 trades
Avg return
-28.25pp
Hit rate
11.5%
Median
-25.12pp
Best / Worst
+6.5 / -77.0

Fade fast moves sample trades

26 total
2100984
2026-10-27 15:01 UTC
NO
78% → 0%
+7.0pp
+77.00pp
YES
22% → 99%
-7.5pp
+76.75pp
YES
22% → 99%
-7.0pp
+76.55pp
YES
22% → 99%
-7.0pp
+76.35pp
2100984
2026-10-27 14:18 UTC
NO
76% → 0%
+6.0pp
+76.25pp
2100984
2026-10-27 13:15 UTC
NO
76% → 1%
+6.0pp
+75.65pp
682708
2026-10-27 14:18 UTC
NO
64% → 21%
+10.9pp
+43.45pp
2110578
2026-10-27 10:17 UTC
YES
15% → 56%
-5.5pp
+40.50pp

Fade extreme prices sample trades

873 total
2110578
2026-10-27 15:01 UTC
YES
14% → 94%
-2.0pp
+79.50pp
2110578
2026-10-27 10:17 UTC
YES
15% → 56%
-5.5pp
+40.50pp
YES
8% → 24%
-1.2pp
+15.90pp
YES
6% → 17%
-2.0pp
+10.30pp
1235568
2026-10-27 18:20 UTC
NO
97% → 91%
-0.2pp
+6.15pp
4641065
2026-10-26 17:14 UTC
NO
86% → 92%
+1.0pp
-6.00pp
4641065
2026-10-26 18:16 UTC
NO
86% → 92%
+1.0pp
-6.00pp
4641065
2026-10-26 20:38 UTC
NO
86% → 92%
+1.0pp
-6.00pp

Momentum follow sample trades

26 total
2100984
2026-10-27 15:01 UTC
YES
78% → 0%
+7.0pp
-77.00pp
NO
22% → 99%
-7.5pp
-76.75pp
NO
22% → 99%
-7.0pp
-76.55pp
NO
22% → 99%
-7.0pp
-76.35pp
2100984
2026-10-27 14:18 UTC
YES
76% → 0%
+6.0pp
-76.25pp
2100984
2026-10-27 13:15 UTC
YES
76% → 1%
+6.0pp
-75.65pp
682708
2026-10-27 14:18 UTC
YES
64% → 21%
+10.9pp
-43.45pp
2110578
2026-10-27 10:17 UTC
NO
15% → 56%
-5.5pp
-40.50pp
This backtest uses hourly snapshots and exits at a later snapshot, not final settlement. Treat it as signal research, not a promise of tradable returns.

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