This price was at a time when the low level attracted funds; it almost dropped.

152217086 : I just paid attention to this, did Futu only buy the underlying stock and collect management fees?
Read the brief and say there is a 0.95% management fee

152217086 : Basic information
ETF name
ProShares Ultra Bloomberg Natural Gas
Net asset value
5.104 USD (as at 2023/02/17)
Number of issues
200.8 million (as of 2023/02/17)
Track the index
Bloomberg Sub Natural Gas TR USD
Management fees
0.95%
issuer
ProShares
custodian
The Bank of New York Mellon