Pattern day trader is FINRA designation for a stock market trader
who executes four or more day trades in five business days in a margin account, provided the number of day trades are more than six percent of the customer's total trading activity for that same five-day period.

不解释，只说自己的第一反应 碰到第一个图的滑点，我会骂一句shit然后安心等以后的交易机会。 第二个图的成交，我则会开始担心以后赚了钱是否能拿出来。