PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedCurrent implied probabilityDecember 31, 65%-4.0%Leader of 6 outcomes
Market quality
91 / 100
High quality24h Volume
$3.5K
Liquidity
$136.8K
High liquidityBid / Ask
64.0% / 65.0%
Spread
1.6%
Tight spread7d Change
-2.0%
Market data
Updated 15 minutes ago
Jun 1, 26, 9:08 PMJul 1, 27, 12:00 AM
Trends
0%
0%
Paper funds only — no real moneyNot financial advice
Selected outcome
December 31,65%
Compare venues· December 31,
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
| PolymarketThis pageBest overall | High | 65% | — | $3.5K | $136.8K | 15 minutes ago | |
 Manifold Markets85% match · auto | — | 65% | — | — | — | 15 minutes ago | Open → |
Also available on Manifold Markets
Will Anthropic IPO by….?
5mo
-6.3%65%
64.8%
44%
+3 more outcomes
Community forecast26 forecastersType: multiple choice
MANIFOLD MARKETSRules
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.
Probabilities may differ due to different market structures, fees, and participant pools.
Large trades
$10.7k91.0%POLYMARKETWill Anthropic IPO by September 30, 2026? — NoParz1vaI11d ago
POLYMARKETWill Anthropic IPO by September 30, 2026? — NoParz1vaI11d agoVolume trend
$3.5kJul 221d of dataJul 22
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KALSHI
KALSHI
Which banks will take Anthropic public?
$1William Blair: 34%KALSHI
KALSHIActive in these topics
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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.