When will OpenAI IPO
Leader sits at 66% across 9 bound outcomes, runner-up at 56%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.
Leader probability
Before Jun 1, 2027
Outcomes
9
winner-take-all
Runner-up
56¢
Before May 1, 2027
Spread
10pp
contested
24h volume
$2K
modest
Closes
Jun 1, 2027
313 days
Venue
Kalshi
9 bound
30-day trend
Bracket family
How the bracket ladder is priced.
Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.
Cluster 1
When will OpenAI IPO
When will OpenAI IPO?: Before Jan 1, 2027
KXIPOOPENAI-27JAN01
When will OpenAI IPO?: Before Oct 1, 2026
KXIPOOPENAI-26OCT01
When will OpenAI IPO?: Before Nov 1, 2026
KXIPOOPENAI-26NOV01
When will OpenAI IPO?: Before Mar 1, 2027
KXIPOOPENAI-27MAR01
When will OpenAI IPO?: Before Feb 1, 2027
KXIPOOPENAI-27FEB01
When will OpenAI IPO?: Before May 1, 2027
KXIPOOPENAI-27MAY01
When will OpenAI IPO?: Before Jun 1, 2027
KXIPOOPENAI-27JUN01
When will OpenAI IPO?: Before Apr 1, 2027
KXIPOOPENAI-27APR01
When will OpenAI IPO?: Before Dec 1, 2026
KXIPOOPENAI-26DEC01
Analysis
Markets currently assess a 67% likelihood that OpenAI will complete an initial public offering before June 1, 2027. This probability reflects uncertainty around OpenAI's strategic timeline and regulatory environment. The market is pricing in a meaningful but not overwhelming chance of a near-term listing, with higher confidence in a pre-June deadline than a pre-February one (59% vs 32%). The main factors driving this estimate are OpenAI's financial performance, management statements about going public, and the broader regulatory climate for AI companies. Any official announcement or regulatory guidance about IPO timing would significantly alter these prices. Notably, the probability drops sharply for dates before October 2026, suggesting markets view that window as unlikely but not impossible.
- ›OpenAI has not publicly committed to an IPO timeline; any official statement would directly impact contract prices
- ›Market assigns 67% probability to a June 2027 deadline but only 6% to an October 2026 deadline, indicating skepticism about imminent listing
- ›The 59% price on a May 2027 contract versus 67% on June 2027 suggests traders expect resolution clarity closer to summer 2027
- ›Regulatory approval and SEC review processes would be critical path items; changes to AI regulation or OpenAI's compliance status could shift probabilities materially
- ›Private valuation trends and OpenAI's capital needs relative to its cash position would influence management's incentive to pursue public markets
What moved the line
- Jul 16Before Jun 1, 2027↓6pp72→66¢ · Kalshi
- Jul 19Before Jun 1, 2027↑5pp66→71¢ · Kalshi
- Jul 21Before Jun 1, 2027↓5pp71→66¢ · Kalshi
- Jul 17Before Mar 1, 2027↓4pp40→36¢ · Kalshi
- Jul 16Before Feb 1, 2027↓3pp35→32¢ · Kalshi
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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.
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How we compute these odds
SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.
For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.
Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.
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