Block Buyers Hold Anthropic IPO Contract at 86% After Confidential Filing
The 'who lists first' contract sits at 86% Anthropic as of 03:57 UTC Tuesday, up 61.5pp in 24 hours on the confidential S-1 filing.

Anthropic's "who IPOs first?" market holds at 86% as of 03:57 UTC Tuesday — up 61.5 points from a 24.5¢ open on Monday — as buyers continued pressing the position after Anthropic's confidential SEC filing drove the contract more than 56 points overnight. The session high reached 88.5¢.
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