Coinbase will adjust the Anthropic pre-IPO perpetual contract index

On November 14, according to Coinbase Assets, Anthropic's pre-listing perpetual contracts will adjust their index base on November 16 at 18:00 Beijing Time, changing from a valuation index based on 1 billion shares to a per-share price index based on 13.116 billion shares.

Existing ANTH perpetual contract positions on Coinbase Markets will be migrated to economically equivalent ANT contracts via zero-fee block trades. Trading will be temporarily suspended during the migration period, and all pending ANTH orders will be canceled; after the migration is complete, ANTH will be delisted and ANT trading will begin.