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¢.
¶Why now
Orakll Subscriber
The rest of this story is for subscribers
The tape reads, the counter-view, and the priced-in math are for subscribers. Subscribe to read on.
Quant Dashboard
See where liquidity is positioning
Screener, order-book depth, correlation heatmap, and whale concentration — live.
Agent tokens
Wire your trading agent in 30 seconds
One URL + Bearer token into Claude Code, Cursor, or ChatGPT. Seventeen read tools.
Full articles
Read every story in full
The complete tape read, counter-view, and priced-in math on every report.
Read next
Finance Counter-Bets Drag Anthropic IPO Contract to 78¢ From 88.5¢ High
Anthropic's IPO-first contract sits at 78¢ Tuesday, off its 88.5¢ peak, after the confidential filing sparked a 53.5-point surge from 24.5¢.
81¢implied——Filed June 2, 2026
Finance Anthropic's Confidential IPO Filing Sends 'Who Lists First' Contract 56 Points Higher
'Anthropic or OpenAI IPO first?' hit 80.5% as of 01:54 UTC Tuesday after Anthropic confidentially filed for an IPO following its $65B Series H.
