(有錯請指正)
Good faith violation 簡單講其實即係你買賣左超過你cash既股票(但唔知點解會比你買到)
一般day trade會比2-4倍 margin你,每次買賣其實係用佢d margin, 你d cash係冇郁過
但有個情況就係,果隻股票唔support margin, 你買左既話就會係你cash度扣,當你買既量大過你cash balance就會觸犯到good faith violation
所以買賣前最好睇一睇cash balance同埋想買既股票sup唔support margin