OpenAI market share this week Odds · OpenAI market share - Oct 12, 2026
This market has resolved: Above 15.1%. Final prices are below.
| Outcome | Chance | Odds | 24h |
|---|---|---|---|
| Above 15.1% ✓ | 99% | -9900 | — |
| Above 17.1% ✓ | 99% | -9900 | — |
| Above 18.1% ✓ | 99% | -9900 | — |
| Above 18.4% ✓ | 99% | -9900 | ▲ 23 |
| Above 18.8% | 1% | +9900 | ▼ 3 |
| Above 19.2% | 1% | +9900 | — |
| Above 19.5% | 1% | +9900 | — |
| Above 20.5% | 1% | +9900 | — |
| Above 22.5% | 1% | +9900 | — |
Price history
Resolution rules
If OpenAI scores above 15.1% on OpenRouter text market share by model author week of Oct 12, 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 Oct 19, 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.