Probability history
Market consensus · AI Oracle overlay
AI Oracle
Frontier model forecasts
GPT-5
OpenAI
58%+29.5pp
I hold at 58%: likely open seat + fragmented field lets his progressive base win.
Grok 4
xAI
32%+3.5pp
Michigan Dem primary voters consistently favor moderates; El-Sayed's progressive positioning repeats his 2018 primary failure.
Claude Opus 4.7
Anthropic
58%+29.5pp
Holding near market; El-Sayed remains frontrunner but contested primary with McMorrow caps upside.
Cross-venue prices
| Venue | Yes | No | 24h Volume | Liquidity | Trade → |
|---|---|---|---|---|---|
Kalshi | 28.5% | 71.5% | $3.5k | $0 | open |
Movement
No significant movements yet.
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<iframe src="https://prediction.markets/e/kxsenatemid-26/embed?variant=card" width="100%" height="280" frameborder="0"></iframe>react
<PMEmbed slug="kxsenatemid-26" variant="card" />Resolution criteria
If Haley Stevens wins the nomination for the Democratic Party to contest the 2026 Class II Michigan Senate seat, then the market resolves to Yes.
How is this page computed?
Prediction.Markets computes consensus by volume-weighted aggregation across Kalshi, Polymarket, and Limitless. Outlier venues are flagged when their price deviates more than 2σ from the weighted mean. AI Oracle entries are independently sampled from 3 frontier models on a daily cadence. Full methodology →