But the fund charges fees of 0.4% a year on assets, compared with 0.1% for xle, the largest regular energy etf, created by State Street Global Advisors, another investment firm.

但该基金每年对资产收取 0.4% 的费用，而另一家投资公司 State Street Global Advisors 创建的最大的常规能源 ETF xle 的费用为 0.1%。