# Will Elon Musk win his case against Sam Altman

> Liquidity-weighted aggregate at 35% across 1 contract — refreshed just now.

URL: https://simplefunctions.dev/odds/elon-musk-win-his-case-against-sam-altman
Updated: 2026-05-03T16:51:01.075Z
Category: general · Topic: ai-tech
Status: active
Closes: 2026-12-31

## Headline

- Probability: 35% (liquidity-weighted across 1 contract)
- Venue: Polymarket (1 contract)
- 24h volume: $25K

## Bound contracts (1)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Will Elon Musk win his case against Sam Altman? | 35¢ | −2pp | $25K | polymarket | /markets/will-elon-musk-win-his-case-against-sam-altman-polymarket-0xfbb9e922b7dbbb4aa5253d98203d5593a93b59599447aff02354ecafbe19b916 |

## 30-day trajectory

| Day | Aggregate |
|---|---|
| 2026-04-08 | 39 |
| 2026-04-19 | 34 |
| 2026-04-26 | 43 |
| 2026-05-03 | 36 |

_26 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-04-26 · Will Elon Musk win his case against Sam Altman? +6pp 37→43¢ · polymarket
- 2026-04-29 · Will Elon Musk win his case against Sam Altman? −6pp 45→39¢ · polymarket
- 2026-05-01 · Will Elon Musk win his case against Sam Altman? −4pp 39→35¢ · polymarket
- 2026-05-02 · Will Elon Musk win his case against Sam Altman? +3pp 35→38¢ · polymarket

## Analysis

The 40% probability reflects market assessment of Elon Musk's likelihood of prevailing in his lawsuit against Sam Altman and others. The case involves contractual and governance disputes related to OpenAI's transition from nonprofit to for-profit structure. Markets show a meaningful split, with Polymarket pricing notably higher at 54% versus Kalshi at 38%, suggesting disagreement about the strength of Musk's claims or timeline uncertainty. Key drivers include the complexity of OpenAI's founding agreements, the specific legal theories Musk is pursuing, and how courts interpret contractual obligations around the company's structural changes. Resolution timing remains undefined—the 2027 deadline on Kalshi contracts indicates significant uncertainty about whether the case will reach verdict before then. The outcome hinges on discovery proceedings, settlement likelihood, and judicial interpretation of tech industry contract law.

### Key factors

- Polymarket-Kalshi spread of 16 percentage points suggests material disagreement on either case strength or resolution timeline expectations
- Kalshi contract explicitly priced to 2027 boundary, indicating market assigns meaningful probability to case extending beyond that date or settling unresolved
- No scheduled trial date or major upcoming hearing publicly announced as of April 2026, suggesting early litigation phase with high outcome uncertainty
- Case involves contractual interpretation of OpenAI's governance transition, a novel tech law area without extensive precedent
- Relative trading volume concentrated on Kalshi contract ($29.7k 24h vol) versus Polymarket ($12.7k), indicating more price discovery on near-term resolution assumptions

## Methodology

Probability is **liquidity-weighted** across all bound Kalshi/Polymarket contracts: Σ(price × volume) ÷ Σ(volume). 30-day trajectory uses the daily mean of intraday 5-min captures. 24h delta = today's mean − yesterday's mean. Movement events are ≥3pp daily moves in the last 7 days.

## How to use this data

- HTML: https://simplefunctions.dev/odds/elon-musk-win-his-case-against-sam-altman
- JSON: https://simplefunctions.dev/api/public/odds?slug=elon-musk-win-his-case-against-sam-altman
- Topic hub: https://simplefunctions.dev/predictions/ai-tech

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