This indicator shows when the volume is extraordinary increased or decreased. You can change *multiple*, default is 2. When today's volume is multiple times greater than yesterday's volume, background is green (regardless of close price. It is related to just volume) Black means today's volume is multiple times smaller than yesterday's volume.
간단하게 거래량 급증과 급락을 알려주는 지표입니다. multiple을 조절할 수 있고, 기본값은 2배 입니다.