| 作者 |
 [原创] 中国股市疯牛病：从 AMAZON 股票大涨看华尔街的愚蠢 |
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Excellent question -- sapientaf - (2165 Byte) 2007-4-29 周日, 00:16 (389 reads) |
残荷
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作者：残荷 在 海归商务 发贴, 来自【海归网】 http://www.haiguinet.com
(1) I underestimated your gain in one month when MOT went from $18 back to $20. Although the premium of at-the-money $20 call (the short leg) is higher than the deeper-in-the-money $15 call (the long leg), due to the 10% or $2 appreciation of the underlying MOT from Jan to Feb, the $15 call should have appreciated significantly in terms of its intrinsic value.
I don't have, at hand, the MOT option chains back in Feb. But it wouldn't surprise me your bull spread would have registered a gain of 50% in merely 1 month.
My estimation that it wasn't showing a profit in early February must be a grave mistake.
(2) I wasn't precise when stating that $500 was to be the maximum gain potential. It will be the maximum cash settlement value of the spread, and minus $255 cost, the profit will be $245, or close to 100% return.
I think it's better I don't play AMZN, judging from the number of mistakes in formulating such an elementary question. Thanks for your explanation!
作者：残荷 在 海归商务 发贴, 来自【海归网】 http://www.haiguinet.com
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