this bollinger band is calculated with rsi wilder ...
You can also see the smoothed ATR with the elder formula and a Tilson t3. All indicators have alarms. So you can see the right moment of entry.
When tilson is green, and atr is blue and the price crossed the upper band is a BUYsignal and and invese color (red) and the prece cross the down ban.
You also have the option of seeing the RSI Wilder as a line or as haiken ashimode.
keep in mind the trend and divergences of macd ewo or rsi to make your tickets more effective.