OUTSIDE BAND
FINALISED: FROZEN
Kalshi
Fed decision in Sep 2026?
Window 13 Aug 2026, 12:42 UTC → 13 Aug 2026, 14:12 UTC
Price at window start 66¢ → at trigger 69¢ → at close 71¢
YES up · NO down
Resolves 16 Sept 2026, 17:59 UTC
Frozen payload
- REPRICED Repriced +4.5pts: 66¢ at window start → 71¢ at close
- OUTSIDE BAND Outside the 7-day band: above the upper bound 67¢ (band 50¢–67¢)
band from 164 hourly obs / 6.9d
- VOLUME 1.7× this market's 7-day norm, $343.8k in 24h
- BOOK Book 2.3:1 ask, $79.0k/$178.9k within 10¢
- UNUSUAL SIZE Largest trade $21.3k, 16.5× this market's typical big trade
size baseline: 95th pct of 2,851 trades / 7d
Book 2.3:1 ask, $79.0k/$178.9k within 10¢ · spread 1.0¢
Triggers (2)
- 13 Aug 2026, 12:42 UTC: Band breach (upper): 66¢ → 69¢ (+2.5pts), confirmed over 30s
- 13 Aug 2026, 13:03 UTC: Sustained reprice: 69¢ → 73¢ (+4.0pts), confirmed over 30s
Context
- Opening move ≈ 0.15× the market's trusted 7-day band width at trigger time
- 109 trades printed in the window (Polymarket public tape)
Outcome: graded at window close
- +2m after alert: 69¢, drift +0.0pts in the alert direction
- +30m: 73¢, held +6.5ptspts
- Peak move: +7.5pts
- Held 60% of the peak move at close
- Still beyond trigger at +10m: yes
- Still beyond trigger at +30m: yes
- Still beyond trigger at +60m: yes
- Gave back half within 60m: no
- Price at close: 71¢
- Graded from 180 snapshots