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iShares Mortgage Real Estate ETF vs State Street SPDR S&P 500 ETF Trust

Over the past year REM returned −21.8% and SPY returned +7.9%; their daily moves had a correlation of 0.42.

REM −21.8% SPY +7.9%Growth of $1, one year, split-adjusted
MetricREMSPY
Price$17.20$735.29
Market cap$434.3M$780.09B
Today−1.71%+0.31%
1 month−2.1%−5.0%
6 months−24.5%−0.3%
Year to date−22.5%+7.8%
1 year−22.6%+8.5%
Revenue growth (YoY)——
Gross margin——
Net margin——
P/E (TTM)——
Price / sales——
Net cash——
Dividend yield11.77%1.03%
Volatility (60d)22.8%13.8%
Short % of float——
Next earnings——

Shading marks the stronger figure where one clearly exists (lower is better for valuation and volatility).