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Mark S. Longo (RSS)

Mark S. Longo is the founder of

An options trader and former member of the Chicago Board Options Exchange, he is also the creator of "The Options Observer," a monthly examination of the options industry that appears in Traders Magazine.

Through the years, his analysis of the options market has appeared in a wide variety of domestic and international publications. As one of the few industry commentators with practical options experience, he has developed a substantial following among industry veterans and newcomers looking for insight into this complicated marketplace.