1. Different trading venues: On-site etf investors can buy and sell directly in the secondary market, while off-site etf funds can be redeemed through fund companies, banks and other consignment agencies. 2. Different trading methods: On-site ETF is a fund bought on the same day, and it needs to wait until the next trading day to sell, while on-site ETF funds can generally be sold after the fund share is confirmed. 3. Different transaction fees: etf funds in the market generally only charge transaction commissions. OTC etf funds can charge subscription fees, management fees, custody fees and sales service fees.

Ordinary open-end funds belong to OTC funds, that is, only one net value is used as the purchase and redemption price every day. And liquidation, LOFETF, these funds are all on-site trading funds, and her price, like stocks, is changing at any time. Off-exchange market is understood as the stock exchange market, that is, the agency sales of banks and securities companies, and the direct sales of fund companies, that is, the familiar open-end fund sales channels.

On the floor is the stock market, also known as the secondary market. Off-exchange market is understood as the stock exchange market, that is, the agency sales of banks and securities companies, and the direct sales of fund companies, that is, the familiar open-end fund sales channels.

Closed-end funds and ETF funds can only be purchased in the market (for large investors, ETFs can be purchased in the "primary" market), that is, they can only be purchased in the stock market. Other open-end funds can be purchased off-site, which is a well-known way, in which LOF funds can be purchased on-site.