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Musk v Altman verdict

Will Elon Musk win his lawsuit against Sam Altman / OpenAI?

EHIQ
30%
(25-35%)
Polymarket
25%
live market →
Edge
+5.5pp
EHIQ above market

Upstream of markets

EHIQ called this at 30% on May 9, 2026 when Kalshi was at 40%.
Market has since moved down to 25% · -15.5pp from open
Validation milestone
polymarket on May 14, 2026 (4 days after EHIQ posted)
Market convergence milestone. Polymarket moved from 42.5% (May 9 EHIQ open) to 33.5% (May 14). The 12.5pp upstream gap closed to 3.5pp in 5 days. EHIQ holds 30%. Verdict watch through May 21.
Source →
EHIQ vs market over time · 11 data points · refreshed daily
EHIQMarket
2525%30%May 9May 18

Thesis

EHIQ holds Musk at 30% to win, 10pp below Kalshi current of ~40%. Diary alone is not a clean smoking gun, the burden of proof is on Musk for fraud + damages, the Zilis testimony hurt the betrayed-donor narrative, and defense procedural posture is confident.
  1. 1.Brockman diary "it was a lie" entry is material evidence but not a smoking gun. Defense will reframe as personal journal venting from one co-founder, not corporate intent. One document needs pattern accumulation.
  2. 2.Burden of proof on Musk for fraud + damages by preponderance. Establishing intent from contemporaneous documents is hard when defense has plausible alternative readings.
  3. 3.Shivon Zilis testimony hurt Musk this week: she revealed Musk tried to poach Altman. Undercuts the betrayed-nonprofit-donor narrative jurors need to buy.
  4. 4.Defense procedural posture: tactical motions (curative instruction request, pretrial-communication application), 5+ hour trial days, no settlement signals. They believe they are winning.
  5. 5.Damages calculation for a voluntary $38M donor is the underweighted piece of the case — what specific harm did Musk personally suffer?

Resolution

Outcome
NO
Resolved
May 19, 2026

Jury unanimously rejected Musk's suit in full on statute-of-limitations grounds (2026-05-18), including the aiding-and-abetting claim against Microsoft (a named co-defendant). EHIQ posted 30% Musk-win on 2026-05-09 before the verdict, vs Kalshi ~40% — correct on the outcome, probabilistically; not a forecast of the SOL mechanism.

Opened
May 9, 2026
Expected resolution
May 22, 2026