طريقة عمله :-
Green: Expanding spreads and expanding volumes
⇒ Prices continue to trend as there are many transactions
Red: shrinking spread and expanding volume
⇒ trend momentum weakens
Blue: Expanding spread and shrinking volume
⇒ Prices will move toward the trend, but trading volume will decrease
Gray: Spread and volume shrinking
⇒ Waiting because the market is bumpy