Bitcoin futures open interest reached 676,820 BTC, valued at $52.64 billion. Binance accounted for 142,870 BTC, worth $11.11 billion, representing 21.1% of total Bitcoin futures open interest. Bitcoin options positioning shifted toward calls, with call open interest at 305,530.06 BTC, or 61.39% of total options open interest, while put open interest stood at 192,126.29 BTC, or 38.61%. The 25-delta skew turned positive on August 20 for the first time in 12 months.