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有。 DBA, UNG, USO都只是拥有future contracts, 不是real commodities, 都会有roll-over cost. 只有G ... ypm968 发表于 2010-11-11 20:03
队长: DBA 对应的是Index, not future contracts. So, it should not have Contango, although Index may ... cougar 发表于 2010-11-12 16:45
回复 ypm968 Thanks a lot. how about SLV? Rosemary1 发表于 2010-11-11 19:23
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