The BTC/USDT 1-hour candle on Binance closed below its open on August 18. The candle's close "C" was less than the open "O" shown at the top of the Binance BTC/USDT graph after Binance finalized the 1-hour candle data. Algorithms and price feed systems that read the Binance BTC/USDT 1-hour candle r…