Bitcoin finished the BTC/USDT 1H candle that began on August 21, 2026 with a close that was below its open on Binance. The final determination used the close "C" and open "O" readouts at the top of Binance’s BTC/USDT 1H chart. Explorer.struct.to logged the Binance 1H candle for August 21, 2026 as t…