Bitcoin closed at or above the open for the BTC/USDT 1-hour candle that began on August 21, 2026 at 4 AM ET on Binance. The 'C' value displayed at the top of the Binance BTC/USDT 1H chart was greater than or equal to the 'O' value when the candle finalized at 5 AM ET. Binance users looking at the B…