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ProShares Short Russell2000 vs State Street SPDR S&P 500 ETF Trust

Over the past year RWM returned −13.9% and SPY returned +10.8%; their daily moves had a correlation of -0.83.

RWM −13.9% SPY +10.8%Growth of $1, one year, split-adjusted
MetricRWMSPY
Price$14.41$757.12
Market cap$198.4M$803.25B
Today+1.69%−0.35%
1 month−2.4%−1.6%
6 months+1.5%+1.2%
Year to date−12.0%+11.0%
1 year−13.6%+10.9%
Revenue growth (YoY)——
Gross margin——
Net margin——
P/E (TTM)——
Price / sales——
Net cash——
Dividend yield2.62%1.00%
Volatility (60d)17.6%14.9%
Short % of float——
Next earnings——

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