Coinbase Exits Optimism’s OP Stack on Feb 18, 2026; OP Down 97%

On Feb 18, 2026, Coinbase said it will leave Optimism’s OP Stack to develop a "unified stack," according to Bankless. The move follows a prolonged slump, with OP down 97% from its March 2024 ATH, and as Base has supplied ~97% of Superchain revenue. Ether.fi plans to migrate ~70,000 active cards and ~300,000 accounts to OP Mainnet over the coming months.