Markets/OpenAI IPO closing market cap above $1.4T?

OpenAI IPO closing market cap above $1.4T?

Data as of Mar 22, 2026, 11:02 PM UTC

Closes December 31, 2027

Polymarket Price

25%YES

75%NO

Volume 24h

Liquidity

$1K

Bid / Ask

23% / 27%

Spread

4.00pp

Expert Signal

25%

Bayesian YES estimate

vs market+0.0pp

confidence21%

methodensemble

✦ AI Analysis

Synthesizes price, cross-venue gaps, Bayesian edge, and event context into a concise brief.

Price History

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Price History

+25.0pp

Key Moments

First recorded

12% YES

Feb 24, 2026

Biggest move: +31.5pp

14% → 45%

Feb 28, 2026

Peak probability

45% YES — highest in period

Feb 28, 2026

Current

37% YES (+0.0pp recent)

Mar 11, 2026

Order Book (YES)

Expected Value Calculator

Your probability estimate

1%Market: YES 25%99%

Buy YES@ 25¢

+0.0%

EV per $ wagered

Buy NO@ 75¢

+0.0%

EV per $ wagered

Your estimate matches the market price — no edge on either side.

EV = return on investment if your probability is correct. Kelly = optimal bankroll fraction (½ Kelly is a common conservative choice). Fees not included.

Backtest Strategy

Entry threshold

50%

Enter when YES price ≤ this

From date

To date

Research Summary

Prediction markets currently price "OpenAI IPO closing market cap above $1.4T?" at 25% YES / 75% NO. A Bayesian estimate puts the probability at 25%. The bid-ask spread is 4.00 percentage points. The market closes on December 31, 2027.

Cite this snapshot

ForecastMind (2026-03-22). "OpenAI IPO closing market cap above $1.4T?." Prediction market snapshot: YES 25%, NO 75%. Retrieved from https://forecastmind.org/markets/1298658