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ProShares Short Dow30 vs State Street SPDR S&P 500 ETF Trust

Over the past year DOG returned −9.5% and SPY returned +11.8%; their daily moves had a correlation of -0.83.

DOG −9.5% SPY +11.8%Growth of $1, one year, split-adjusted
MetricDOGSPY
Price$21.70$762.18
Market cap$119.9M$808.62B
Today−0.46%+1.63%
1 month−1.4%−2.0%
6 months−5.2%+2.7%
Year to date−7.6%+11.8%
1 year−9.5%+11.8%
Revenue growth (YoY)——
Gross margin——
Net margin——
P/E (TTM)——
Price / sales——
Net cash——
Dividend yield3.06%0.99%
Volatility (60d)14.5%15.0%
Short % of float——
Next earnings——

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