there is a premium and time value on option. Say GOOG is at $550, the $550 call option doesn't cost $1, but it's $24. $24 has the premium and time value added to it. When we get closer to the 3rd week of May, assuming GOOG is still trading at $550, the $550 call will lose the premium and time value (because there is not much time left and premium is gone), by then it should worth about $4-5.
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