need help

  1. 563 Posts.
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    I,m just wanting to know about option price when price goes opposite direction?

    example I have a xjo index call 5775 at the money its a two week option.
    1st day buy for 24c and index goes to 4900

    do I loose my premium due to decline on index value, or does it simply devalue in the course of time until expiry.

    Cannot find any info on this
 
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