Daily bonus arbitrage strategy of Guangfa Fund: On the basis of duration control, the fund manager will conduct in-depth research and analysis on various market segments of the money market, and on the premise of strictly controlling risks and ensuring liquidity, look for cross-market, cross-term and cross-variety arbitrage investment opportunities to obtain higher returns. Of course, due to the limitation of trading mechanism, the current investment methods to tap arbitrage investment opportunities are mainly to replace varieties with lower returns with varieties with equal risks but higher returns, or to replace varieties with higher risks with varieties with equal returns but lower risks.