36-Month ETF Correlations with Russell 3000 [View article]
I'm not sure that 36 months is enough of a time frame to use for this research, especially given health care's underperformance and energy's outperformance during the period. If you use the Sector SPDRs, like XLF, XLV, etc, you have a more data to work with.
36-Month ETF Correlations with Russell 3000 [View article]