Analysis of BNB on the 21st:

The 4-hour timeframe experienced a significant correction, with a decline of over 5%, reaching a low of 867.57, breaking below the lower Bollinger Band support. It then slightly rebounded and is now quoted at 878. The chart shows a short-term bullish divergence between the price and indicators, and the current position is close to the support of the previous dense trading zone.

Trading reference: If the price retraces to the 865-875 range, consider gradually adding long positions. The short-term target is around 889-900.