Markets/OpenAI IPO closing market cap above $1.2T?

OpenAI IPO closing market cap above $1.2T?

Data as of Mar 22, 2026, 07:26 AM UTC

Closes December 31, 2027

Polymarket Price

33%YES

67%NO

Volume 24h

$3K

Liquidity

$2K

Bid / Ask

30% / 36%

Spread

6.00pp

Expert Signal

33%

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

+0.0pp

Key Moments

First recorded

33% YES

Feb 25, 2026

Crossed 50% — now favored YES

52%

Feb 28, 2026

Dropped below 50% — now favored NO

48%

Mar 1, 2026

Crossed 50% — now favored YES

53%

Mar 2, 2026

Crossed 50% — now favored YES

51%

Mar 3, 2026

Biggest move: +20.5pp

31% → 52%

Feb 28, 2026

Peak probability

67% YES — highest in period

Mar 1, 2026

Current

33% YES (+0.0pp recent)

Mar 22, 2026

Order Book (YES)

Expected Value Calculator

Your probability estimate

1%Market: YES 33%99%

Buy YES@ 33¢

+0.0%

EV per $ wagered

Buy NO@ 67¢

+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 $1.2T?" at 33% YES / 67% NO. In the last 24 hours, $3K has been traded. A Bayesian estimate puts the probability at 33%. The bid-ask spread is 6.00 percentage points. The market closes on December 31, 2027.

Cite this snapshot

ForecastMind (2026-03-22). "OpenAI IPO closing market cap above $1.2T?." Prediction market snapshot: YES 33%, NO 67%. Retrieved from https://forecastmind.org/markets/1298657