According to an official announcement, Bitget will adjust the funding rate ceiling and floor for BIOUSDT perpetual futures from ±1.5000% to ±1.8750% effective August 27, 2025, at 16:00 UTC. The updated limits will be applied across subsequent funding intervals, aiming to align perpetual futures pricing more closely with spot index prices. The exchange noted that implementation timing could be revised under volatile conditions and advised users to check the new rates before trading.