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
0m 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.

80 trades
Avg return
+4.43pp
Hit rate
63.7%
Median
+3.00pp
Best / Worst
+43.1 / -30.9

Fade extreme prices

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

646 trades
Avg return
+0.02pp
Hit rate
21.4%
Median
+0.00pp
Best / Worst
+28.0 / -9.2

Momentum follow

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

80 trades
Avg return
-4.43pp
Hit rate
35.0%
Median
-3.00pp
Best / Worst
+30.9 / -43.1

Fade fast moves sample trades

80 total
4574396
2026-09-25 02:25 UTC
NO
52% → 8%
+12.0pp
+43.15pp
4574396
2026-09-24 20:58 UTC
NO
40% → 4%
+23.0pp
+35.05pp
4574396
2026-09-24 21:59 UTC
NO
37% → 3%
+20.0pp
+34.40pp
4574396
2026-09-24 23:30 UTC
NO
42% → 10%
+14.0pp
+31.95pp
4574396
2026-09-25 03:36 UTC
YES
31% → 0%
-6.0pp
-30.95pp
4574396
2026-09-24 22:24 UTC
NO
36% → 6%
+16.0pp
+30.00pp
4797724
2026-09-24 09:53 UTC
NO
88% → 62%
+23.0pp
+27.00pp
4797724
2026-09-24 12:52 UTC
NO
82% → 57%
+12.0pp
+24.00pp

Fade extreme prices sample trades

646 total
4574396
2026-09-24 13:42 UTC
YES
12% → 40%
-5.0pp
+28.00pp
4797724
2026-09-24 09:53 UTC
NO
88% → 62%
+23.0pp
+27.00pp
4574396
2026-09-24 12:52 UTC
YES
14% → 40%
+0.0pp
+26.00pp
4574396
2026-09-24 06:45 UTC
YES
14% → 38%
-7.0pp
+24.00pp
4574396
2026-09-24 05:27 UTC
YES
14% → 28%
-6.0pp
+14.00pp
4641128
2026-09-24 03:07 UTC
YES
9% → 0%
-3.1pp
-9.20pp
4574396
2026-09-24 04:45 UTC
YES
12% → 20%
-5.0pp
+8.00pp
4574407
2026-09-25 03:36 UTC
YES
7% → 0%
-2.1pp
-7.40pp

Momentum follow sample trades

80 total
4574396
2026-09-25 02:25 UTC
YES
52% → 8%
+12.0pp
-43.15pp
4574396
2026-09-24 20:58 UTC
YES
40% → 4%
+23.0pp
-35.05pp
4574396
2026-09-24 21:59 UTC
YES
37% → 3%
+20.0pp
-34.40pp
4574396
2026-09-24 23:30 UTC
YES
42% → 10%
+14.0pp
-31.95pp
4574396
2026-09-25 03:36 UTC
NO
31% → 0%
-6.0pp
+30.95pp
4574396
2026-09-24 22:24 UTC
YES
36% → 6%
+16.0pp
-30.00pp
4797724
2026-09-24 09:53 UTC
YES
88% → 62%
+23.0pp
-27.00pp
4797724
2026-09-24 12:52 UTC
YES
82% → 57%
+12.0pp
-24.00pp
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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