Is Market Samurai's SEOV metric helpful?

SEOV - The total dollar value of traffic to a web-site that is ranked #1 for a keyword in Google. It is calculated as (SEOV = SEOT x AWCPC) where AWCPC is a custom calculation based on Google's Traffic Estimator rather than Google's Average CPC.  The AWCPC value is very high compared to Average CPC.

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