If ETF funds invest in scarce targets or new funds managed by star fund managers, then investors can consider buying. If ETF funds invest in rare targets or new funds managed by star fund managers, then investors can consider not buying them.

The issue price of the new fund is relatively cheap, but the opening period of the new fund is long (about 6 months). It is difficult to estimate the market situation when the fund goes public. In addition, the new fund has no past performance as a reference, and there are many uncertainties.