{"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":"CAD","bank_rate":1.42313581606,"best_buy":1.4243,"best_source":"Kraken","premium_pct":0.082},{"date":"2026-10-09","currency":"CAD","bank_rate":1.42327824786,"best_buy":1.4244,"best_source":"Kraken","premium_pct":0.079}],"license":"Free to cite with a link to https://oaneo.com/rates/","source":"https://oaneo.com/rates/"}