
- UID
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- 注册时间
- 2011-7-11
- 最后登录
- 2014-7-31
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my cal
- Pro put: (long stock and long put)
value (total strategy) = loss from long stock + profit from put
-covered call: short call + long stock
value = loss from stock (partly covered by premium)
- bear spread (put) = long put high + short put low
value = put high - put low = 100 -90 = 10
thats C ?
ah ohhhhhhhhh
sorry, they say value….. )
so pro Put has value of 95 ) |
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