
Yes is at 88.5%, up 3.5 points from 85% when the market opened on 8 Sep 2026.
Across the 45 daily closes on record from 8 Sep 2026 to 27 Oct 2026 (6 days in that span have no close), the highest close was 89.5% on 12 Sep 2026 and the lowest 49.5% on 21 Sep 2026. A week before that last close Yes was at 64.5%; a month before, 59.5%. Its largest one-day move was 15 points down, to 57% on 20 Sep 2026.
It is one of 13 markets under “Anthropic IPO by __?”.
$7.31K traded in the last 24 hours, out of $527.71K since listing. The order book holds $26.01K, with a 1.0% gap between the best bid and the best ask. Across the latest 500 trades, $30.03K bought Yes and $5.39K bought No; the largest was a $2.04K buy of Yes at 85.7¢.
The largest Yes position is betwick with 8.1K shares; the largest No position is notssf3 with 16.5K. Ten wallets hold 37.2% of the shares on Polymarket's public holder list.
Trading closes on 1 Dec 2026, 35 days from now.
Polymarket prices as of Oct 27, 9:17 PM UTC
Daily closes of the Yes price, Polymarket CLOB, 45 points, 8 Sep 2026 – 27 Oct 2026
| Observed | Yes price |
|---|---|
| 8 Sep 2026 | 85.0% |
| 27 Oct 2026 | 88.5% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| notssf3 | No | 16.54K |
| kevinzhaoo | No | 12.25K |
| betwick | Yes | 8.14K |
This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date. Otherwise, this market will resolve to "No." If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No." The primary resolution source for this market is official filings and announcements from Anthropic and the relevant securities exchange on which the shares are listed, including SEC filings (e.g., Form S-1, Form 8-A), exchange listing confirmations, and official press releases from Anthropic; however a consensus of credible reporting may also be used.
Official listing: polymarket.com/event/anthropic-ipo-by
1 more market, none above 0.1%.
| l3t0 |
| Yes |
| 6.81K |
| Minteamade | No | 5.98K |
| charliealmanack | Yes | 5.19K |
| iHaveBeenPwned | Yes | 4.9K |
| Capital-Endoderm | No | 4.4K |
| testwallet4 | Yes | 4.31K |
| Pump | Yes | 4.3K |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
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