What are the current odds for "OpenAI IPO closing market cap above $1.2T?"?

As of March 2026, prediction markets give this a 38.0% probability of resolving Yes. This market is trading on Polymarket with $211.1K in total volume.

Where can I trade on "OpenAI IPO closing market cap above $1.2T?"?

This market is available on Polymarket. You can trade Yes shares at 38.0% or No shares at 62.0%. The market has $3.0K 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 $1.2T?

Updated Ended

OpenAI's potential IPO represents one of AI's biggest upcoming liquidity events, with valuation debates centering on how markets will price generative AI dominance. Markets currently give a 38% chance the company's market cap will exceed $1.2 trillion at IPO by year-end 2027.

Current Probability

38.0%+0.02%24h

Trade on Polymarket

YesNo

If Yes wins

$2.63 return per $1

If No wins

$1.61 return per $1