What are the current odds for: OpenAI IPO by...?

According to OpenFlow's prediction market aggregator, the current implied probability is 100% as of 2026-07-16. Total volume on this market is $2.5M. This market resolves on December 31, 2026.

How does OpenFlow aggregate prediction market odds?

OpenFlow aggregates live order books across on-chain prediction market venues, applies cross-venue price improvement, and displays unified Yes/No implied probabilities. Users trade on their own exchange — OpenFlow routes fills and settles exchange-to-exchange via USDC on Solana.

⭐ FeaturedIPOsBig TechAIFinance

OpenAI IPO by...?

Opens Oct 30, 2025Resolves Dec 31, 2026

Total volume

$2.5M

24h volume

$3K

Liquidity

$102K

Open interest

$207K

Resolves

Dec 31, 2026

Comments

7d volume

$57K

30d volume

$238K

1yr volume

$1.6M

Competitive

91.0%

Odds history

#OutcomeChance

Will OpenAI IPO by December 31 2026?▼ 4.0% 1w▼ 27.0% 1m

1.0% spread

18%

Will OpenAI IPO by September 30 2026?▼ 0.1% 1d▼ 1.1% 1w▼ 19.1% 1m

0.9% spread

Will OpenAI IPO by August 31 2026?▼ 0.6% 1w▼ 2.8% 1m

0.1% spread

Will OpenAI IPO by July 31 2026?▼ 0.4% 1w▼ 1.7% 1m

0.1% spread

Will OpenAI IPO by December 31 2025?▼ 0.1% 1d▼ 0.1% 1w▼ 0.7% 1m

0.1% spread

100%

Will OpenAI IPO by June 30 2026?▼ 0.2% 1w▼ 0.9% 1m

0.1% spread

Min order: 5 USDCTick: 0.001Maker rewards ≥ 200 USDCMax spread: 3.5%

Order BookDecember 31, 2025

Mid 100.0¢

PriceContractsTotal

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Price change▲ 0.1% 1h▼ 0.1% 1d▼ 0.1% 1w▼ 0.7% 1m

📊 Market context

OpenAI’s recent confidential S-1 filing with the SEC on June 8 marks the clearest near-term catalyst, shifting trader focus toward a potential listing window in late 2026 or early 2027 at valuations nearing $1 trillion. The company has engaged Goldman Sachs and Morgan Stanley while preparing retail share allocations, yet executives emphasize that no firm timeline exists and certain initiatives rem…

Rules summary

This market will resolve to "Yes" if OpenAI completes an Initial Public Offering (IPO) by the listed date ET, as confirmed by official company announcements and credible news sources. Otherwise, this market will resolve to "No". The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange. If OpenAI is acquired by another company that is already public, this market will immediately resolve to "No." The resolution source for this market is a consensus of credible reporting.