OpenAI market share this week
As of Sun, 20 Sep 2026 21:27:00 UTC, Kalshi traders price Above 18% (2.0%), Above 19% (1.0%), Above 20.8% (1.0%). The market has $135K in volume and closes on Mon, 28 Sep 2026.
Updated:
Current odds
| Outcome | Chance | Yes price | No price |
|---|---|---|---|
| Above 18% | 2.0% | 2.0¢ | 98.0¢ |
| Above 19% | 1.0% | 1.0¢ | 99.0¢ |
| Above 20.8% | 1.0% | 1.0¢ | 99.0¢ |
| Above 21.8% | 1.0% | 1.0¢ | 99.0¢ |
| Above 22.6% | 1.0% | 1.0¢ | 99.0¢ |
| Above 23% | 1.0% | 1.0¢ | 99.0¢ |
| Above 23.3% | 1.0% | 1.0¢ | 99.0¢ |
| Above 23.6% | 1.0% | 1.0¢ | 99.0¢ |
| Above 24.1% | 1.0% | 1.0¢ | 99.0¢ |
| Above 25% | 1.0% | 1.0¢ | 99.0¢ |
| Above 26.1% | 1.0% | 1.0¢ | 99.0¢ |
| Above 18.5% | 1.0% | 1.0¢ | 99.0¢ |
Market details
- Venue: Kalshi
- Volume: $135K
- Liquidity: $135K
- Closes:
Resolution rules
Each outcome is a separate contract with its own rules. The rules for Above 18%:
If OpenAI scores above 18% on OpenRouter text market share by model author week of Sep 17, 2026, then the market resolves to Yes. This event will resolve based on 10:00AM ET Monday updated values for the week of Sep 17, 2026. If the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.
Sources
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