OUTSIDE BAND
FINALISED: FROZEN
Polymarket
Will Anthropic IPO by December 31, 2026?
Window 17 Aug 2026, 09:49 UTC → 17 Aug 2026, 11:19 UTC
Price at window start 83¢ → at trigger 85¢ → at close 85¢
YES up · NO down
Resolves 01 Jul 2027, 00:00 UTC
Frozen payload
- REPRICED Repriced +2.0pts: 83¢ at window start → 85¢ at close
- OUTSIDE BAND Outside the 7-day band: above the upper bound 84¢ (band 80¢–84¢)
band from 168 hourly obs / 7.0d
- VOLUME 1.7× this market's 7-day norm, $14.0k in 24h
- BOOK Book 1.4:1 ask, $21.2k/$29.6k within 10¢
Book 1.4:1 ask, $21.2k/$29.6k within 10¢ · spread 2.0¢
Triggers (2)
- 17 Aug 2026, 09:49 UTC: Band breach (upper): 83¢ → 85¢ (+1.5pts), confirmed over 30s
- 17 Aug 2026, 10:10 UTC: Sustained reprice: 85¢ → 88¢ (+3.0pts), confirmed over 30s
Context
- Opening move ≈ 0.28× the market's trusted 7-day band width at trigger time
- 8 trades printed in the window (Polymarket public tape)
Outcome: graded at window close
- +2m after alert: 85¢, drift +0.0pts in the alert direction
- +30m: 88¢, held +4.5ptspts
- Peak move: +4.5pts
- Held 44% of the peak move at close
- Still beyond trigger at +10m: yes
- Still beyond trigger at +30m: yes
- Still beyond trigger at +60m: no
- Gave back half within 60m: yes
- Price at close: 85¢
- Graded from 180 snapshots