What are the current odds for "OpenAI IPO closing market cap above $1T?"?

As of March 2026, prediction markets give this a 47.5% probability of resolving Yes. This market is trading on Polymarket with $1.03M in total volume.

Where can I trade on "OpenAI IPO closing market cap above $1T?"?

This market is available on Polymarket. You can trade Yes shares at 47.5% or No shares at 52.5%. The market has $2.9K in liquidity.

When does this prediction market close?

This market is scheduled to resolve 1 years (Dec 31, 2027). After resolution, winning shares pay out $1.00 each.

Total Active Markets

Count of all non-resolved markets currently tracked across Polymarket, Kalshi, and Limitless.

122,371

Total Volume

Lifetime trading volume across all platforms. Polymarket and Kalshi report volume directly; Limitless volume is cumulative USDC traded.

$5,586,740,888

24h Volume

24-hour trading volume. Polymarket and Kalshi report this directly. Limitless does not break out 24h volume separately, so it is not included.

$475,966,484

Total Open Interest

Polymarket: sum of pool liquidity. Kalshi: open interest (contracts outstanding). Limitless: uses total volume as a proxy — no separate OI metric is available.

$2,691,719,004

Polymarket$2.32BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.

Kalshi$350.67MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.

Limitless$18.48MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.

Total Active Markets

Count of all non-resolved markets currently tracked across Polymarket, Kalshi, and Limitless.

122,371

Total Volume

Lifetime trading volume across all platforms. Polymarket and Kalshi report volume directly; Limitless volume is cumulative USDC traded.

$5,586,740,888

24h Volume

24-hour trading volume. Polymarket and Kalshi report this directly. Limitless does not break out 24h volume separately, so it is not included.

$475,966,484

Total Open Interest

Polymarket: sum of pool liquidity. Kalshi: open interest (contracts outstanding). Limitless: uses total volume as a proxy — no separate OI metric is available.

$2,691,719,004

Polymarket$2.32BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.

Kalshi$350.67MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.

Limitless$18.48MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.

Polymarketeconomics

OpenAI IPO closing market cap above $1T?

Updated Today

OpenAI's potential public offering has become one of the most-watched tech IPO questions among investors. Markets currently give the company a 46% chance of closing above a $1 trillion valuation, reflecting uncertainty around timing, regulatory approval, and the AI market's trajectory through 2027.

Current Probability

47.5%+0.01%24h

Trade on Polymarket

YesNo

If Yes wins

$2.11 return per $1

If No wins

$1.90 return per $1