According to the Ibbotson SBBI 2011 Yearbook, long-term Treasuries have a correlation coefficient of 0.11 to large-cap stocks.

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Experimenters found a correlation coefficient of 0.46, after accounting for age differences.

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However, intermediate-term Treasuries have a correlation coefficient of 0.08.

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The post-crisis correlation coefficient, meanwhile, was a much weaker -0.431.

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My charts on the coefficient of performance among stock sectors show lessened correlation, a good sign.

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In a subset of patients with relapsing remitting MS, the most common form of the disease, the correlation coefficient jumped to 0.69, suggesting an even stronger association between the retinal measurement and brain atrophy.

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