| Precisely speaking, it is |
| 送交者: bubble 2011月08月31日17:35:53 于 [世界股票论坛] 发送悄悄话 |
| 回 答: American options can be 由 hpux 于 2011-08-31 11:13:47 |
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the American-style options that can be assigned early. Not all American
options are American-style, such as certain index options. |
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