{"description":"Daily USDT premium over the bank rate per currency (last snapshot of each UTC+8 day). premium_pct = (best_buy / bank_rate - 1) * 100.","history":[{"date":"2026-10-08","currency":"HKD","bank_rate":7.841077499470001,"best_buy":7.92,"best_source":"币安 P2P","premium_pct":1.007},{"date":"2026-10-09","currency":"HKD","bank_rate":7.84186225857,"best_buy":7.94,"best_source":"币安 P2P","premium_pct":1.251}],"license":"Free to cite with a link to https://oaneo.com/rates/","source":"https://oaneo.com/rates/"}