were invented by John . Used to confirm trading signals, normally from a , the bands indicate overbought and oversold levels relative to a moving average.
are calculated at a specified number of standard deviations above and below the moving average, causing them to widen when prices are volatile and contract when prices are stable.
originally used a 20 day and set the bands at 2 standard deviations, suited to intermediate cycles.
This study is making for different Time Frames.
The picture is to show 6hr BB on 3min Chart.
Reference about :
이 지표는 볼린저 밴드를 다른 시간 프레임에서 맞게 만들어 줍니다.
그림은 3분 시간 프레임에서 6시간의 BB를 보여주고 있습니다.