Anthropic IPO by __?
Nov 27, 2026even chance by
- October 31, 2026<1%
- November 15, 202610%▼ 1
- November 30, 202665%▲ 8
2 more
- December 15, 202676%▲ 9
- December 31, 202678%▲ 4
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What will OpenAI's IPO valuation be?
The odds
$1.55Tmedian
$750B$2.75T
Median $1.55TMiddle half $1T – $1.86T
How the odds have moved
Not enough history yet.
The median the market implied over time and its middle half (the band), read from every strike's prices on Polymarket.
Every outcome
| Outcome | Chance | Day | Bid | Ask | Pays | Traded |
|---|---|---|---|---|---|---|
| <$1T | 25% | 22¢ | 23¢ | $4.37 | $82.4K | |
| $1.0T–$1.25T | 6% | ▼ 2 | 4¢ | 7¢ | $14.71 | $53.6K |
| $1.25T–$1.5T | 14% | ▼ 3 | 11¢ | 14¢ | $6.94 | $46K |
| $1.5T–$1.75T | 23% | 20¢ | 21¢ | $4.83 | $42.4K | |
| $1.75T–$2.0T | 16% | 14¢ | 15¢ | $6.67 | $65.3K | |
| $2.0T–$2.25T | 10% | 5¢ | 12¢ | $8.33 | $5.5K | |
| $2.25T–$2.5T | 4% | 4¢ | 4¢ | $23.26 | $26.6K | |
| $2.5T+ | 2% | ▼ 3 | 0¢ | 3¢ | $33.33 | $87.2K |
"Pays" is what a $1 stake returns if that outcome happens, at the price shown (before any fees). Bid and ask are the best prices to sell and buy "Yes".
The news: OpenAI, ChatGPT, OpenAI's IPO
Search ›No recent headlines name this market's subject.
Related markets
All ipos & deals ›Anthropic IPO Closing Market Cap
25%$1.75–$2.0T
- $1.75–$2.0T25%
- $2.0–$2.25T22%▲ 3
- $1.5–$1.75T17%▼ 1
7 more
- $2.25–$2.5T9%▼ 2
- $1.25–$1.5T7%▼ 2
- <$1.25T6%
- No IPO by December 31, 20274%▼ 2
- $3.0T+4%
- $2.5–$2.75T4%
- $2.75–$3.0T2%
Will GameStop acquire eBay?
8%chance▲ 1
IPOs before 2027?
76%Anthropic
- Anthropic76%▲ 2
- Rippling11%▲ 2
- Celonis7%
26 more
- Discord6%
- Revolut5%▲ 1
- Freddie Mac5%▲ 1
- Perplexity4%
- Remote4%
- Ledger3%▼ 2
- Applied Intuition3%
- Fannie Mae3%
- OpenAI3%
- Canva3%
- Ripple Labs3%
- Databricks3%
- Anduril3%
- Anysphere (Cursor)3%
- ByteDance2%
- Stripe2%
- Ramp2%
- Mistral AI2%
- Waymo2%
- Anduril Industries2%
- Epic Games2%
- WHOOP1%
- Vanta1%
- Glean1%
- Brex1%
- Deel<1%
When will Anthropic officially announce an IPO?
Nov 27, 2026even chance by
- Before Oct 24, 20261%
- Before Nov 1, 20261%
- Before Dec 1, 202660%▲ 2
4 more
- Before Jan 1, 202774%▲ 6
- Before Feb 1, 202775%▲ 2
- Before Mar 1, 202783%▲ 1
- Before Apr 1, 202786%
OpenAI IPO Closing Market Cap
40%1.5T+
- 1.5T+40%▼ 5
- No IPO by December 31, 202726%▲ 1
- 1.25T–1.5T10%▲ 2
4 more
- 1T–1.25T6%▲ 1
- 750B–1T3%
- <500B3%
- 500–750B2%▲ 1
Odds are traders' prices on Kalshi, Polymarket, ForecastEx and Crypto.com, not forecasts by 4Conservative. Prices read from the venues just now. Prices may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts. Not betting or investment advice.
Prediction-market prices are what traders pay for each outcome on Kalshi, Polymarket, ForecastEx and Crypto.com, read as the market's implied chance. They are not forecasts by 4Conservative, can move fast and can be wrong; they are read every few minutes and may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts at their price. News comes from the 4Conservative index; prices of stocks, rates and coins from 4Conservative Finance. Nothing here is betting, financial or investment advice. Terms of use.