SimpleFunctions
Winner-take-all answer·7 source contracts·Kalshi 7·refreshed just now·Closes Apr 1, 2027 · 217d

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

93%

Before Apr 1, 2027

runner-up 92¢leader 93¢

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

0%50%100%-30d-3w-2w-1wtodayBefore Apr 1, 2027: 94% (27 days, 13 points)Before Apr 1, 2027: 94% on 2026-08-26Before Mar 1, 2027: 93% (27 days, 7 points)Before Mar 1, 2027: 93% on 2026-08-26Before Jan 1, 2027: 90% (27 days, 25 points)Before Jan 1, 2027: 90% on 2026-08-24
Before Apr 1, 202794¢Before Mar 1, 202793¢Before Jan 1, 202790¢
Top 3 candidates by current price · 27d

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.

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, 202617pp6885¢ · Kalshi
  • Aug 22Before Oct 1, 202614pp4054¢ · Kalshi
  • Aug 23Before Oct 1, 202612pp5442¢ · Kalshi
  • Aug 20Before Dec 1, 202612pp7385¢ · Kalshi
  • Aug 25Before Oct 1, 202611pp3322¢ · Kalshi

Recently closed in markets

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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