Now that the Sports Illustrated swimsuit issue has hit the stands, most Americans are wondering: What does it mean for the S&P 500 Index? Luckily, some financial bloggers have gone through their back issues, correlated the country of origin of the cover models with economic statistics, and answered the question! Turns out that an American on the cover, like we have this year, equals a much higher average gain for the S&P. This so-called "Swimsuit Issue Indicator" is the exact opposite of the "Time Magazine Indicator," which predicts that having George W. Bush on the cover of Time correlates closely with poverty and war. Har. After the jump, Bespoke Investment Group's full 30-year chart in all its number-having glory [via Dealbreaker].

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