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.

44 trades
Avg return
+1.22pp
Hit rate
43.2%
Median
+0.00pp
Best / Worst
+49.0 / -76.4

Fade extreme prices

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

1722 trades
Avg return
-0.03pp
Hit rate
15.4%
Median
+0.00pp
Best / Worst
+3.4 / -4.2

Momentum follow

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

44 trades
Avg return
-1.22pp
Hit rate
43.2%
Median
+0.00pp
Best / Worst
+76.4 / -49.0

Fade fast moves sample trades

44 total
2241742
2026-06-07 16:54 UTC
NO
24% → 100%
+5.1pp
-76.40pp
2241742
2026-06-07 17:59 UTC
NO
25% → 100%
+6.9pp
-74.65pp
2241742
2026-06-07 18:06 UTC
NO
25% → 100%
+6.4pp
-74.65pp
NO
62% → 12%
+35.0pp
+49.00pp
2241674
2026-06-08 04:12 UTC
NO
70% → 22%
+33.0pp
+47.50pp
NO
59% → 12%
+32.5pp
+46.50pp
NO
60% → 14%
+43.0pp
+46.50pp
2241674
2026-06-08 06:42 UTC
NO
64% → 22%
+33.5pp
+41.50pp

Fade extreme prices sample trades

1722 total
2241742
2026-06-07 21:34 UTC
NO
96% → 100%
+74.3pp
-4.20pp
1971905
2026-06-07 22:54 UTC
YES
14% → 10%
+1.0pp
-4.00pp
2407533
2026-06-08 01:49 UTC
NO
96% → 100%
+1.7pp
-3.90pp
1708133
2026-06-07 13:20 UTC
YES
4% → 7%
-0.2pp
+3.35pp
2407533
2026-06-08 00:38 UTC
NO
97% → 100%
+2.4pp
-3.15pp
YES
6% → 8%
-1.0pp
+3.00pp
YES
8% → 4%
+2.0pp
-3.00pp
YES
8% → 6%
+3.0pp
-3.00pp

Momentum follow sample trades

44 total
2241742
2026-06-07 16:54 UTC
YES
24% → 100%
+5.1pp
+76.40pp
2241742
2026-06-07 17:59 UTC
YES
25% → 100%
+6.9pp
+74.65pp
2241742
2026-06-07 18:06 UTC
YES
25% → 100%
+6.4pp
+74.65pp
YES
62% → 12%
+35.0pp
-49.00pp
2241674
2026-06-08 04:12 UTC
YES
70% → 22%
+33.0pp
-47.50pp
YES
59% → 12%
+32.5pp
-46.50pp
YES
60% → 14%
+43.0pp
-46.50pp
2241674
2026-06-08 06:42 UTC
YES
64% → 22%
+33.5pp
-41.50pp
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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