Cash-secured-put vs Covered-call - 期貨

理論上，Cash-secured-put 跟 Covered-call
在Strike point跟expiration date相同且無配息下
是Identical的。

而Strike point在put如果是價外，在call就會是價內，反之亦然。

從而如果你願意賣出價外的Cash-secured-put
那麼你就應該願意賣出同Strike的價內的Covered-call

然而我一直難以說服自己這麼做是合理的...
不管put或call，我都還是都賣價外。

想請問，有人能開示一下我想法的矛盾嗎？

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You got to know when to hold 'em, know when to fold 'em, Know when to walk away and know when to run.
You never count your money when you're sittin' at the table. There'll be time enough for countin' when the dealin's done.

'Cause ev'ry hand's a winner and ev'ry hand's a loser, And the best that you can hope for is to die in your sleep."
now Ev'ry gambler knows that the secret to survivin' Is knowin' what to throw away and knowing what to keep.

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