When will Anthropic officially announce an IPO
Leader sits at 93% across 7 bound outcomes, runner-up at 92%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.
Leader probability
Before Apr 1, 2027
Outcomes
7
winner-take-all
Runner-up
92¢
Before Mar 1, 2027
Spread
1pp
contested
24h volume
$6K
modest
Closes
Apr 1, 2027
217 days
Venue
Kalshi
7 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 Anthropic officially announce an IPO
When will Anthropic officially announce an IPO?: Before Oct 1, 2026
KXIPOANTHROPIC-DATE-26OCT01
When will Anthropic officially announce an IPO?: Before Nov 1, 2026
KXIPOANTHROPIC-DATE-26NOV01
When will Anthropic officially announce an IPO?: Before Dec 1, 2026
KXIPOANTHROPIC-DATE-26DEC01
When will Anthropic officially announce an IPO?: Before Jan 1, 2027
KXIPOANTHROPIC-DATE-27JAN01
When will Anthropic officially announce an IPO?: Before Mar 1, 2027
KXIPOANTHROPIC-DATE-27MAR01
When will Anthropic officially announce an IPO?: Before Feb 1, 2027
KXIPOANTHROPIC-DATE-27FEB01
When will Anthropic officially announce an IPO?: Before Apr 1, 2027
KXIPOANTHROPIC-DATE-27APR01
Analysis
Markets are assigning an 81% probability that Anthropic will officially announce an IPO before April 1, 2027. This reflects expectations that the AI company will pursue a public listing within the next nine months, rather than remaining private or pursuing alternative paths like a merger. The primary driver is Anthropic's rapid revenue growth, substantial valuation ($20+ billion in recent funding rounds), and the precedent set by other large AI labs going public. Key uncertainty centers on whether management prioritizes near-term capital raising or continued private growth. The most concrete catalyst would be any public disclosure from Anthropic itself about IPO plans, regulatory filing, or a competing announcement of alternative financing or M&A activity. Secondary signals include market appetite for AI equities, regulatory changes affecting tech IPOs, and geopolitical factors influencing venture funding timelines.
- ›Anthropic's valuation has exceeded $20 billion in recent funding rounds, creating typical thresholds for IPO consideration among venture-backed companies
- ›The near-term probability window (before October 1, 2026) trades at only 39%, suggesting markets expect significant delay beyond current date despite the 81% headline for April 2027
- ›No formal IPO filing or public announcement has been made as of July 2026, meaning the 81% reflects forward expectations rather than confirmed plans
- ›Competing outcomes show 77% probability for a later timeframe (April-October 2027), indicating substantial disagreement about timing rather than whether an IPO occurs
- ›Market volume is concentrated in October 2026 and January 2027 contracts, suggesting traders expect clarity or decision-points in the September-December 2026 period
What moved the line
- Aug 20Before Nov 1, 2026↑17pp68→85¢ · Kalshi
- Aug 22Before Oct 1, 2026↑14pp40→54¢ · Kalshi
- Aug 23Before Oct 1, 2026↓12pp54→42¢ · Kalshi
- Aug 20Before Dec 1, 2026↑12pp73→85¢ · Kalshi
- Aug 25Before Oct 1, 2026↓11pp33→22¢ · 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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