DIFFERENCE BETWEEN PREVIOUS DAY LOW/HIGH WITH TODAY HIGH/LOW IT IS INSIDE THE TRADING RANGE OR ABOVE THE RANGE. GAP WILL APPEAR INSIDE THE TRADING RANGE. AREA GAP MAY BE FILLED IN NEAR TERM. THE VOLUME DURING THE GAP DAY IS GENERALLY LOW. BREAKOUT GAP APPEAR ONLY WHEN PRICE GIVE BREAKOUT FROM ITS TRADING RANGE. AREA GAP MAY NOT BE FILLED IN NEAR TERM. THE VOLUME DURING THE GAP DAY SHOULD BE HIGH.