E Fund's SSE 50 graded fund is the first graded fund to adopt the "innovative model of SSE", which realizes the simultaneous listing of the parent fund, A share and B share, and can realize the "T+0" trading strategy in disguise, which is the core advantage that distinguishes the current mainstream graded funds in the market.

SSE 50 is a LOF fund. Under the traditional grading model, the parent fund share of graded funds is not listed and cannot be listed and traded. After the SSE "opens" the LOF authority of the graded fund, the parent fund share and A and B sub-funds of the graded fund can be listed and traded, and the parent fund can also be purchased and redeemed in the primary market, which makes it possible for investors to arbitrage in the primary and secondary markets.