-8%，浮亏600

空20个26天到期的7。00 PUT，560.0

亏损边界：560 = 2000 * X，X= （560-44）/2000 = 0.258

RSH = 7-0.258 = 6.75

If RSH 6.8，LOSS=2000 X 0.2 - 560

Filled

Sell to Open

20


RSH Mar 17 2012 7.0 Put

Limit

0.29


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10:35:39 02/21/12