When will OpenAI officially announce an IPO?

Kalshi Closes May 31, 2027 · 960.8K contracts · prices read 74 min ago

The odds

May 20, 2027even chance by
  • Before Nov 1, 20261%
  • Before Dec 1, 20263%▲ 1
  • Before Jan 1, 20273%
  • Before Feb 1, 20276%▼ 1
  • Before Mar 1, 202716%
  • Before Apr 1, 202728%
  • Before May 1, 202744%▼ 1
  • Before Jun 1, 202754%▲ 2

How the odds have moved

Before Feb 1, 2027: 7% on Oct 13, 6% now.

Each outcome's chance over time, from its prices on Kalshi.

Every outcome

Outcome Chance Day Bid Ask Contracts
Before Sep 1, 2026 1% 319.4K
Before Oct 1, 2026 1% 137.2K
Before Nov 1, 2026 1% 1¢ 88.4K
Before Dec 1, 2026 3% ▲ 1 1¢ 4¢ 97.6K
Before Jan 1, 2027 3% 2¢ 3¢ 150.1K
Before Feb 1, 2027 6% ▼ 1 3¢ 8¢ 45.1K
Before Mar 1, 2027 16% 13¢ 18¢ 29.7K
Before Apr 1, 2027 28% 25¢ 31¢ 37.3K
Before May 1, 2027 44% ▼ 1 42¢ 46¢ 23.3K
Before Jun 1, 2027 54% ▲ 2 52¢ 56¢ 32.7K

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Will Anthropic’s valuation hit __ by December 31?

$2.42Thigh with an even chance

Traders see an even chance of trading as high as $2.42T.

  • Reaches $1.5T93%
  • Reaches $1.75T82%
  • Reaches $2T69%
  • Reaches $2.5T47%
  • Falls to $800B3%
  • Falls to $700B3%
  • Falls to $600B2%

Already reached: ↑$1.25T, ↑$1.1T, ↑$1.0T

Anthropic IPO by __?

Nov 30, 2026even chance by
  • October 15, 2026<1%
  • October 31, 2026<1%
  • November 15, 20266%▲ 2
  • November 30, 202653%▼ 2
2 more
  • December 15, 202665%▲ 3
  • December 31, 202670%▼ 3

Anthropic IPO Closing Market Cap

26%$2.0–$2.25T
  • $2.0–$2.25T26%▼ 3
  • $1.75–$2.0T24%▲ 6
  • $2.25–$2.5T20%▼ 3
  • $2.5–$2.75T10%▼ 1
6 more
  • $1.5–$1.75T9%▲ 2
  • $1.25–$1.5T3%▼ 1
  • $3.0T+3%
  • No IPO by December 31, 20272%▼ 1
  • <$1.25T2%▼ 1
  • $2.75–$3.0T2%▼ 1

Odds are traders' prices on Kalshi and Polymarket, not forecasts by 4Search. Read from the venues just now. Prices may be delayed up to 15 min. Not investment advice.

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