OpenAI market share this week Odds · OpenAI market share - Oct 26, 2026
This market has resolved. Final prices are below.
| Outcome | Chance | Odds | 24h |
|---|---|---|---|
| Above 16.1% | 99% | -9900 | — |
| Above 17.3% | 99% | -9900 | — |
| Above 18.0% | 99% | -9900 | — |
| Above 18.3% | 99% | -9900 | ▲ 99 |
| Above 18.6% | 99% | -9900 | ▲ 22 |
| Above 18.9% | 1% | +9900 | ▼ 72 |
| Above 19.2% | 1% | +9900 | ▼ 2 |
| Above 20.0% | 1% | +9900 | — |
| Above 21.0% | 1% | +9900 | — |
Price history
Resolution rules
If OpenAI scores above 16.1% on OpenRouter text market share by model author week of Oct 26, 2026, then the market resolves to Yes.
Source: Kalshi. The venue's rules are final.
FAQ
How are prediction market odds calculated?
Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.
When does this market close?
Kalshi lists Nov 9, 2026 as the end date; this market has closed.
Where can I trade on OpenAI market share this week?
This market trades on Kalshi. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.