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比较一下HGU-TO与2XSPTGD增长率的误差:可见HGU-TO随时间推移比较2XSPTGD的增长率误差越来越大(滞后),其误差有积分(累积)效应. 长线投资,增长率有可能大大滞后2XSPTGD
jim366
(金)
(#36419@43)
Last Updated: 2008-6-1
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Replies, comments and Discussions:
H*U(D) 果真是双倍的杠杆作用(Leverage)吗?
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