VERIFIED PAPER CASE · DAILY
BTC Daily Signal Post-Mortem: +5.06 pp Edge
Bitcoin Up or Down on July 22?
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 16.5%Marx Fair UP 15.1%
Jul 22, 06:57 AMJul 22, 07:30 AMJul 22, 08:04 AMJul 22, 08:37 AMJul 22, 09:11 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-22T06:57:31.780Z | 17.5% | 14.0% | -3.5 pp |
| 2026-07-22T06:58:38.638Z | 17.5% | 14.0% | -3.5 pp |
| 2026-07-22T07:52:01.448Z | 15.5% | 8.6% | -6.9 pp |
| 2026-07-22T07:58:49.291Z | 15.5% | 9.4% | -6.1 pp |
| 2026-07-22T07:59:57.231Z | 15.5% | 9.4% | -6.1 pp |
| 2026-07-22T08:55:15.688Z | 17.5% | 12.6% | -4.9 pp |
| 2026-07-22T08:58:53.017Z | 17.5% | 12.6% | -4.9 pp |
| 2026-07-22T09:09:53.629Z | 16.5% | 15.1% | -1.4 pp |
| 2026-07-22T09:11:09.770Z | 16.5% | 15.1% | -1.4 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 8.6% while the Polymarket UP price was 15.5%.
- The executable DOWN entry was 85.0¢ with a net modeled edge of 5.1 percentage points.
- Model confidence at the signal was 83.3%.
- Observed order-book spread at entry was 1.0¢.
MODEL NOTE
Marx AI inference
Buy DOWN: $100 VWAP 85.0%, gross edge 6.4%, slippage 0.0%, fee 0.9%, safety 0.5%, net edge 5.1%. Marx fair UP is 8.6%.