For treasury bond reverse repurchase arbitrage, you can buy a one-day reverse repurchase, and you can buy it on Thursday. There is no arbitrage at other times, because if you buy a reverse repo on Thursday, the funds will be spent on the week. At five, it becomes available funds. At this time, investors can use this part of the funds to purchase currency funds on the market. At this time, you will enjoy the income from on-site currency funds and the income from the two-day weekend treasury bond reverse repurchase.

If there is a holiday, investors should look at the following actual number of interest accrual days when buying. Generally speaking, it is better if the number of days the funds are occupied is less than the number of interest accrual days. For example, if you buy a three-day period, but Calculating interest based on 7 days is the most cost-effective.

The funds received through reverse repurchase can only be used to buy currency funds on the exchange. Because the funds received on the same day are available funds, not withdrawable funds, they cannot be transferred between banks and securities companies. The currency funds on the market implement T+0 trading, and investors can buy on the same day and sell on the same day.