Anthropic's IPO Date Converges on Late November
Source: Polymarket market “Anthropic IPO Date”
November 19: unlikely (22%)
Leading outcome
November 19 22%
Unlikely · B
venues disagree 58.8pp
24h move
▲
4.5 pts
November 19
Traded 24h
$17K
$22K all time
Resolves by
2026-12-01
Source markets
17
17 markets · mixed
Where the money stands
November 19
22%
▲
4.5
November 20
22%
▲
6.0
November 18
12%
▼
1.5
November 24
10%
0.4
No IPO by November 30, 2026
10%
▼
1.5
November 25
9%
▲
2.1
Source markets for this story
When will Anthropic officially announce an IPO?
Kalshi · Before Apr 1, 2027 97% · +1.0 24h
Anthropic IPO by __?
Polymarket · December 31, 2026 95% · +1.9 24h
Anthropic IPO Closing Market Cap
Polymarket · $1.75–$2.0T 28% · -1.0 24h
Will Anthropic’s valuation hit __ by December 31?
Polymarket · ↑$1.5T 96%
Which bank will lead Anthropic's IPO?
Kalshi · Goldman Sachs 95% · +1.0 24h
How much will Anthropic raise in its IPO?
Polymarket · $105B to $115B 22% · -2.5 24h
What will Anthropic's public ticker be?
Polymarket · $ANT 97% · -2.5 24h
Anthropic IPO Date
Polymarket · November 19 22% · +4.5 24h
In which month will Anthropic IPO?
Polymarket · November 2026 91% · +3.5 24h
What will Anthropic's IPO valuation be?
Polymarket · $1.50–$1.75T 52% · +1.5 24h
Will Anthropic or OpenAI IPO first?
Polymarket · Yes 97%
Largest IPO by market cap in 2026?
Polymarket · SpaceX 58% · +3.0 24h
Anthropic IPO Closing Market Cap (Middle Brackets)
Polymarket · 1.8T+ 76% · +9.5 24h
Anthropic IPO: Open Price above IPO Price?
Polymarket · Yes 84%
Will OpenAI or Anthropic IPO first?
Kalshi · Anthropic 95% · -2.0 24h
Will Dario Amodei hold super-voting Anthropic shares at IPO?
Kalshi · Yes 6% · -8.0 24h
Which banks will take Anthropic public?
Kalshi · Mizuho 92%
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