Bollingersupport&resistance

"When the price breaks through the Bollinger Bands' overbought zone, and the new candlestick's price returns to within the Bollinger Bands, resistance appears. The resistance level is set at the highest point of the previous candlestick. The close of the next candlestick determines whether the resistance is valid. If the second point is confirmed, the resistance is valid.

When the price breaks through the Bollinger Bands' oversold zone, and the new candlestick's price returns to within the Bollinger Bands, support appears. The support level is set at the lowest point of the previous candlestick. The close of the next candlestick determines whether the support is valid. If the second point is confirmed, the support is valid.

This indicator is useful for intuitively observing the emergence or confirmation of resistance and support signals, and it's helpful for intuitively reviewing past historical resistance and support."