According to Coinbase, SPX6900 on Ethereum and Flock on Base will have phased trading launches starting September 9, 2025, with jurisdictional restrictions and liquidity checks applying.
Coinbase officially announced support for SPX6900 (SPX) on Ethereum and Flock (FLOCK) on Base, with trading pairs SPX-USD and FLOCK-USD launching September 9, 2025, at 9:00 AM PT. The rollout will occur in phases, subject to liquidity conditions, and may face jurisdictional restrictions.