Analytics
Will Anthropic’s market cap be between 1.2T and 1.5T at market close on IPO day by December 31 2027?
financeActive
Closes Jan 1, 2028 UTC
Yes
46.8%
No
53.2%
Yes costs 46.8¢No costs 53.2¢
24h Volume
$3.5K
Total volume
$87.1K
Liquidity
$17.0K
Closes
Jan 1, 2028 UTC
Topic roomBest AI ModelIPOs
Where it stands
Yes is at 46.8%, about where the market opened on 1 May 2026.
Across the 195 daily closes on record from 1 May 2026 to 14 Nov 2026 (3 days in that span have no close), the highest close was 47.5% on 1 May 2026 and the lowest 1.3% on 28 Aug 2026. A week before that last close Yes was at 14.1%; a month before, 2.4%. Its largest one-day move was 20 points down, to 20.5% on 3 May 2026.
1.2–1.5T is the favourite of the 7 outcomes in “Anthropic IPO Closing Market Cap (Middle Brackets)”, ahead of 1.5–1.8T at 22.5%.
Across the latest 500 trades, $11.67K bought Yes and $5.72K bought No; the largest was a $7.09K buy of Yes at 40.0¢.
Ten wallets hold 85.8% of the shares on Polymarket's public holder list.
Trading closes on 1 Jan 2028.
Polymarket prices as of Nov 14, 9:55 PM UTC
Price historyPrice history from Polymarket's order book
Daily closes of the Yes price, Polymarket CLOB, 195 points, 1 May 2026 – 14 Nov 2026
| Observed | Yes price |
|---|---|
| 1 May 2026 | 47.5% |
| 14 Nov 2026 | 45.8% |
All outcomes
Anthropic IPO Closing Market Cap (Middle Brackets)
- 11.2–1.5TThis market$87.08K traded46.8%
- 21.5–1.8T$115.65K traded22.5%
- 3
Largest holders
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| Rapid-Alphabet-Winner | No | 28.16K |
| jadebasilisk | Yes | 17.73K |
| sbimbg | No | 13.14K |
Rules
What settles this market
Polymarket settles this market on its written rules. Trading closes on 1 Jan 2028.
Official listing: polymarket.com/event/anthropic-ipo-closing-market-cap-979
Dates
Topic room
Read this market in context
- Best AI Model oddsWhich company will have the best AI model at the end of this month?
- IPOs oddsWhich big companies will IPO, and when?
What to watch in Best AI Model
- Release timing: a flagship model shipped in the last days before a check usually takes the top rank for it
- Changes to the leaderboard's method or categories, which the rules may or may not follow
- The gap between the top two models' scores, which Arena publishes with confidence intervals