What moved: Bloomberg (Aug 20) — Anthropic expects to match or top SpaceX's record IPO, public S-1 filing "as early as late August," October debut at ~$2T. Real news, not noise: it tightens the timeline the original thesis relied on (flip needed by ~Sep 8 for any pre-Oct-1 path) and explains the YES spike to ~56.
Why the thesis still mostly holds: EDGAR full-text search confirms no public S-1 exists as of Aug 24, so no resolution trigger is imminent. Per the SpaceX precedent in this series (roadshow ticker disclosure did not settle; only effectiveness/pricing did), all three YES triggers effectively collapse to "IPO priced by Sep 30 ET." Every timeline source points past that line: Fortune and Bloomberg say October debut, TradingView's planned offer date is Oct 23, and Polymarket prices "IPO by Sep 30" at just 17% vs 62% by Oct 15. Even matching SpaceX's record ~4-week flip-to-pricing pace from a late-Aug flip lands right at the wire; an Oct 2+ debut resolves NO.
Decision: Verdict weakened — the original 86% was too high once the flip became imminent; I mark NO at 73%. But 73% vs the ~62.5% today's book implies is ~10 points of edge: knowing everything above, I would open NO at 62–63¢ today, so this is a hold, not an exit. Expect another headline YES-spike when the public S-1 actually drops — that's flow, not a trigger, unless it discloses a September pricing schedule. Re-review immediately on the public flip.
Liquidity: ~61 contracts at the 62¢ NO bid, ~1,000 at 61¢, ~1,560 at 57¢ — exit realistic within a few cents if needed. Signal #882 · run 2026-08-18-kalshi-ai-mispricing-audit-v4 · conviction medium.