TechFlow reported on March 15 that according to Coinglass data, the total open interest in BTC contracts across all exchanges reached 598,700 BTC (approximately $502.54 billion), up 4.83% over 24 hours.
Among them, CME ranked first with 149,500 BTC (approximately $125.40 billion), accounting for 24.95% of the total, with a 24-hour increase of 2.71%;
Binance ranked second with 110,800 BTC (approximately $92.96 billion), accounting for 18.49%, with a 24-hour increase of 2.37%;
OKX ranked third with 37,200 BTC (approximately $31.19 billion), accounting for 6.2%, with a 24-hour increase of 3.60%.





