And the time interval of this day should be on the trading day. If it is not a trading day, you need to wait until the holiday is over before you can continue trading. And it should be noted that when the fund is sold, it usually takes another day to return to the balance account. Many funds can't be sold at any time after they are bought, but they can be cancelled. We can cancel the trading operation during trading hours. If the trading hours of the day have passed, you cannot cancel this operation. In this respect, it can be sold at any time.
It's just that after the fund is completely bought, it needs a working day interval. You can sell it when the working hours are up. Selling at this time node needs to bear the selling fee. If the fund is held for less than 7 days, the selling fee of 1.5% is basically charged. If we say that the increase of the fund on the day of holding is 6 points, we will also have a few points of income if we choose to sell it, which is worthwhile. Only such a situation is hard to meet. Usually, people will choose to vote. The longer the fund is held, the less likely it is to lose money, which is verified by time.