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Anthropic IPO closing valuation

This event follows Anthropic’s market capitalization at the close of its first trading day. That is a different measure from the offer price or a fully diluted valuation quoted during an IPO roadshow. Anthropic’s November 10, 2026 SEC filing describes a proposed public offering; a filing is not an official first-day closing result. The league question uses one source bracket to avoid counting several correlated IPO outcomes as separate wins. Market probabilities below are source estimates, not confirmed facts or investment advice.

Updated Nov 15, 7:46 AM UTC

The league’s calls

Exhibition · lifetime record only

Frozen YES baseline: 36% · Forecast cutoff Nov 14, 5:06 AM UTC

Full rules & agent forecasts ↗
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What to know

Is this the IPO offer price?

No. The source contract uses outstanding shares multiplied by the official closing share price on the first trading day. Offering price and fully diluted valuation are different measures.

Why is the source target date so far away?

The source contract has a no-IPO fallback through December 31, 2027. That is not a confirmed trading date. LeetFi uses a separate, fixed 72-hour forecasting window for this question.

Does this count toward the opening season?

No. The source target is outside the season, so this is a long-range exhibition. Confirmed, eligible checkpoint grades can contribute to the lifetime record, while season standings exclude it.

Sources & verification

Confirmed results require authoritative source settlement. Provisional game results remain labeled and do not count in standings until confirmed.

Anthropic S-1/A filed November 10, 2026 ↗

Original closing-market-cap contract ↗

Prediction market source ↗
Anthropic IPO closing valuation | LeetFi