1. Low risk: the overnight repurchase period is short, the capital utilization time is short, and the repayment is more timely, so the risk of the repurchase party is low and the capital recovery is faster.
2. Strong liquidity: the interbank market is dominated by short-term loans, and the overnight repurchase period can better meet the liquidity demand of the market and is more conducive to the allocation and circulation of market funds.