有手續費啥的，但是不多，這是一倍做空，應該沒有其他損耗了；你也就拿個幾天，有利潤就跑了

• Net Expense Ratio: Around 0.97%.
• Gross Expense Ratio: 9.48% (includes management and other expenses before waivers).
• Management Fee: 0.75% (part of the gross).
• Fee Waiver: A substantial waiver (-8.51%) reduces the fee from gross to net.