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iShares California Muni Bond ETF vs State Street SPDR S&P 500 ETF Trust

Over the past year CMF returned −3.0% and SPY returned +10.8%; their daily moves had a correlation of 0.29.

CMF −3.0% SPY +10.8%Growth of $1, one year, split-adjusted
MetricCMFSPY
Price$55.78$757.12
Market cap$5.43B$803.25B
Today−0.68%−0.35%
1 month+2.4%−1.6%
6 months−2.2%+1.2%
Year to date−2.9%+11.0%
1 year−3.2%+10.9%
Revenue growth (YoY)——
Gross margin——
Net margin——
P/E (TTM)——
Price / sales——
Net cash——
Dividend yield3.25%1.00%
Volatility (60d)5.5%14.9%
Short % of float——
Next earnings——

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