吸猫西施 OP : In theory, it is possible, but let me conduct an experiment.

吸猫西施 OP Gannny liang ₿ : Looked up some information.
The meaning of ex-dividend date is that the rights have been removed, so if you buy on or after this date, you will not have these rights. However, if you sell on this date, you still have dividends or rights, because on the day you sell, the stock price has been adjusted accordingly for the dividends.