OUTSIDE BAND
FINALISED: FROZEN
Polymarket
Will there be no change in Fed interest rates after the September 2026 meeting?
Window 31 Aug 2026, 11:57 UTC → 31 Aug 2026, 13:27 UTC
Price at window start 48¢ → at trigger 47¢ → at close 45¢
YES down · NO up
Resolves 16 Sept 2026, 00:00 UTC
Frozen payload
- REPRICED Repriced -3.0pts: 48¢ at window start → 45¢ at close
- OUTSIDE BAND Outside the 7-day band: below the lower bound 47¢ (band 47¢–69¢)
band from 160 hourly obs / 7.0d
- VOLUME 1.7× this market's 7-day norm, $835.6k in 24h
- BOOK Book 1.5:1 ask, $128.0k/$197.7k within 10¢
- UNUSUAL SIZE Largest trade $19.5k, 10.0× this market's typical big trade
size baseline: 95th pct of 6,151 trades / 7d
Book 1.5:1 ask, $128.0k/$197.7k within 10¢ · spread 1.0¢
Triggers (1)
- 31 Aug 2026, 11:57 UTC: Band breach (lower): 48¢ → 47¢ (-1.0pts), confirmed over 30s
Context
- Opening move ≈ 0.05× the market's trusted 7-day band width at trigger time
- 87 trades printed in the window (Polymarket public tape)
Outcome: graded at window close
- +2m after alert: 47¢, drift +0.0pts in the alert direction
- +30m: 47¢, held +1.0ptspts
- Peak move: +3.0pts
- Held 100% of the peak move at close
- Still beyond trigger at +10m: no
- Still beyond trigger at +30m: no
- Still beyond trigger at +60m: yes
- Gave back half within 60m: no data
- Price at close: 45¢
- Graded from 180 snapshots