KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedCurrent implied probability
Above 17.8% 53%Market line of 9 lines
Above 17.8% 53%Market quality
62 / 100
Medium quality24h Volume
$23.6K
Open interest
$12.3K
Medium open interestSpread
4.0 pt
Moderate spreadMarket data
Updated 8 minutes ago
Oct 5, 26, 7:00 PM UTCOct 12, 26, 2:00 PM UTC
Trends
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 30m (informational)
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
If OpenAI scores above 17.8% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
Settles via:OpenRouter - AI Market Share
- This event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Oct 5, 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.
Rules for each outcome
- Above 14.1%
- If OpenAI scores above 14.1% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 16.5%
- If OpenAI scores above 16.5% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 17.5%
- If OpenAI scores above 17.5% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 17.8%
- If OpenAI scores above 17.8% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 18.1%
- If OpenAI scores above 18.1% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 18.4%
- If OpenAI scores above 18.4% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 18.7%
- If OpenAI scores above 18.7% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 19.8%
- If OpenAI scores above 19.8% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.
- Above 21.9%
- If OpenAI scores above 21.9% on OpenRouter text market share by model author week of Oct 5, 2026, then the market resolves to Yes.