50etf generally adjusts its position once every six months. 50etf tracks the SSE 50 Index, which adjusts its constituent stocks every six months. After the SSE 50 Index adjusts its constituent stocks, the 50etf will also adjust its positions accordingly, so it will adjust its positions once every six months.

But in fact, it is not accurate to say that you change jobs every six months. Because the scale of 50etf will change, fund managers will also increase or decrease their positions according to the scale changes, and 50etf will also subscribe for new shares.