OUTSIDE BAND
FINALISED: FROZEN
Polymarket
Will the Fed increase interest rates by 25 bps after the September 2026 meeting?
Window 28 Aug 2026, 08:46 UTC → 28 Aug 2026, 10:16 UTC
Price at window start 31¢ → at trigger 30¢ → at close 28¢
YES down · NO up
Resolves 16 Sept 2026, 00:00 UTC
Frozen payload
- REPRICED Repriced -2.0pts: 31¢ at window start → 28¢ at close
- OUTSIDE BAND Outside the 7-day band: below the lower bound 30¢ (band 30¢–34¢)
band from 165 hourly obs / 7.0d
- BOOK Book 2.7:1 bid, $189.1k/$71.1k within 10¢
- UNUSUAL SIZE Largest trade $8.1k, 3.5× this market's typical big trade
size baseline: 95th pct of 1,764 trades / 7d
- VOLUME 0.5× this market's 7-day norm, $175.3k in 24h
Book 2.7:1 bid, $189.1k/$71.1k within 10¢ · spread 1.0¢
Triggers (1)
- 28 Aug 2026, 08:46 UTC: Band breach (lower): 31¢ → 30¢ (-1.0pts), confirmed over 30s
Context
- Opening move ≈ 0.33× the market's trusted 7-day band width at trigger time
- 10 trades printed in the window (Polymarket public tape)
Outcome: graded at window close
- +2m after alert: 30¢, drift +0.0pts in the alert direction
- +30m: 30¢, held +1.0ptspts
- Peak move: +2.0pts
- 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
- Price at close: 28¢
- Graded from 180 snapshots