The exchange said the change expands listed coin-margined expiry futures to eight supported maturities, adding longer-dated contracts for hedging, basis-locking, carry and calendar-spread trading.
OKX said it will add tri-quarterly and quad-quarterly expiry dates to all listed coin-margined expiry futures at 16:00 on July 21, 2026 (UTC+8) across its web platform, app and API, subject to the actual release time. The exchange said the change is intended to enrich the term structure of expiry futures and support longer-dated hedging, basis-locking, carry and calendar-spread strategies. Newly generated contracts include BTCUSD-25JUN27 and BTCUSD-24SEP27, as well as ETHUSD-25JUN27 and ETHUSD-24SEP27. After the update, supported expiries will total eight: current-week, next-week, current-month, next-month, current-quarter, next-quarter, tri-quarterly and quad-quarterly. OKX also outlined listing and expiry rules, including Friday listings at 16:00 (UTC+8), weekly Friday expiries, month-end Friday expiries for monthly contracts, and quarter-end Friday expiries for quarterly contracts.