the primary market of lof funds refers to lof funds traded on the OTC market. lof funds are all called listed open-end funds. after the issuance, investors can buy and sell the funds on the exchange and purchase redemption on the OTC market. Trading on the exchange belongs to the secondary market, and purchasing and redemption on the OTC market belongs to the primary market.

the primary market is the issuing market, and it is not traded on the exchange, while the secondary market is the trading market, which is traded on the exchange.