Topic tracker · Science and Technology
Anthropic Market Share
Every prediction market Kalshi has run in this series — 2 so far (0 live, 2 closed) — with Octagon's independent model probability tracked against the market at each print. This page is updated as new Anthropic Market Share markets list, so it always points at the current market and keeps the resolved history below.
Last updated October 7, 2026
Series history
Closed markets in this series, newest first, with the final Octagon model vs market read before close. Each report stays live with its full analysis.
| Market | Closed | Model vs market | Actions |
|---|---|---|---|
| Anthropic market share this week | October 12, 2026 | 92.5% vs 96.0% | Report → |
| Anthropic market share this week | September 14, 2026 | 1.1% vs 1.0% | Report → |
