Backtest Lab

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

Open Strategy Playbook
Poly Rows
5000
Kalshi Rows
5000
Edge Snapshots
5000
Updated
3m ago

Cross-platform spread convergence

Checks whether flagged Polymarket/Kalshi spreads narrowed after the horizon.

0 tested 0 waiting 0 missing
Avg convergence
+0.00pp
Hit rate
0.0%
Median
+0.00pp
Best / Worst
+0.0 / +0.0
Collecting data. This needs enriched edge snapshots plus future Polymarket and Kalshi price snapshots.

Fade fast moves

Bet against a move that already exceeded the threshold.

108 trades
Avg return
+2.25pp
Hit rate
63.9%
Median
+2.00pp
Best / Worst
+63.4 / -66.0

Fade extreme prices

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

832 trades
Avg return
+0.41pp
Hit rate
26.1%
Median
-0.05pp
Best / Worst
+92.4 / -8.3

Momentum follow

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

108 trades
Avg return
-2.25pp
Hit rate
36.1%
Median
-2.00pp
Best / Worst
+66.0 / -63.4

Fade fast moves sample trades

108 total
2925816
2026-07-24 05:24 UTC
NO
34% → 100%
+6.0pp
-65.95pp
2916659
2026-07-23 07:36 UTC
YES
26% → 90%
-7.6pp
+63.35pp
2916659
2026-07-23 04:59 UTC
YES
25% → 79%
-9.0pp
+53.60pp
2916656
2026-07-23 08:37 UTC
NO
50% → 0%
+12.0pp
+50.45pp
2916656
2026-07-23 07:36 UTC
NO
50% → 0%
+13.0pp
+49.45pp
2730117
2026-07-23 03:46 UTC
NO
43% → 75%
+7.0pp
-31.25pp
2730117
2026-07-23 02:37 UTC
NO
42% → 73%
+9.6pp
-30.50pp
2730117
2026-07-23 21:27 UTC
NO
74% → 46%
+6.7pp
+28.25pp

Fade extreme prices sample trades

832 total
1931121
2026-07-24 03:35 UTC
YES
7% → 100%
-0.9pp
+92.40pp
1931121
2026-07-24 09:56 UTC
YES
8% → 100%
+0.4pp
+92.15pp
1931121
2026-07-24 06:07 UTC
YES
8% → 100%
-1.4pp
+92.10pp
1931121
2026-07-24 11:02 UTC
YES
8% → 100%
-2.0pp
+92.10pp
1931121
2026-07-24 08:42 UTC
YES
9% → 100%
-0.4pp
+91.05pp
1931121
2026-07-24 07:42 UTC
YES
9% → 100%
-0.3pp
+91.00pp
1931121
2026-07-24 05:24 UTC
YES
9% → 100%
+1.4pp
+90.35pp
1931121
2026-07-24 04:53 UTC
YES
10% → 100%
+0.3pp
+90.00pp

Momentum follow sample trades

108 total
2925816
2026-07-24 05:24 UTC
YES
34% → 100%
+6.0pp
+65.95pp
2916659
2026-07-23 07:36 UTC
NO
26% → 90%
-7.6pp
-63.35pp
2916659
2026-07-23 04:59 UTC
NO
25% → 79%
-9.0pp
-53.60pp
2916656
2026-07-23 08:37 UTC
YES
50% → 0%
+12.0pp
-50.45pp
2916656
2026-07-23 07:36 UTC
YES
50% → 0%
+13.0pp
-49.45pp
2730117
2026-07-23 03:46 UTC
YES
43% → 75%
+7.0pp
+31.25pp
2730117
2026-07-23 02:37 UTC
YES
42% → 73%
+9.6pp
+30.50pp
2730117
2026-07-23 21:27 UTC
YES
74% → 46%
+6.7pp
-28.25pp
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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