通过收割滚动收益击败USO的石油基金面临迄今最大考验
· finance.yahoo.com
DBO的滚动收益策略今年将原油的现货溢价转化为三位数的涨幅，但EIA预计WTI到春季将下跌超过30美元，且没有期货技巧能逃过如此大的跌幅。
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DBO surged 108% year-to-date as WTI climbed from $57 to $107, but the EIA forecasts crude falling to $73 by spring.
Unlike USO, DBO scans 13 months...