2. Carry out arbitrage transactions, such as trading etf funds. When the etf fund price in the market is greater than the net value, investors can buy a basket of stocks from the secondary market, then convert them into ETF fund shares in the primary market according to the net value, and then sell ETFs at high prices in the secondary market to complete arbitrage; When the etf fund price in the market is less than the net value, investors can buy ETF fund shares at a low price in the secondary market, then redeem the shares in the primary market according to the net value, and then sell the shares in the secondary market to complete arbitrage.
3. Closed-end funds can be transferred on the brokerage platform. Investors can sell closed-end funds on the brokerage platform as long as they are listed and traded.