Anthropic market share this week?
Above 2.45%KalshiSettled Yes5,673 contracts traded
Yes
Settled Sep 21, 2026
Opening and final price only · ring: settled Yes (100%), not a trade
What moved it
The largest moves on the record and what Langbot heard or read just before each one. Timing, not cause.
Langbot has the opening and final price for this market, not the path between them.
The rules
Kalshi's rules, as the venue wrote them.
If Anthropic scores above 2.45% on OpenRouter text market share by model author week of Sep 14, 2026, then the market resolves to Yes.
This event will resolve based on 10:00AM ET Monday updated values for the week of Sep 14, 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.
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- Ticker
- KXANTHSHARE-26SEP21-2.45
- Closes
- Sep 20, 2026
- Category
- Science and technology
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