Both in null

iShares Government Money Market ETF vs State Street SPDR S&P 500 ETF Trust

Over the past year GMMF returned −0.2% and SPY returned +15.4%; their daily moves had a correlation of -0.03.

GMMF −0.2% SPY +15.4%Growth of $1, one year, split-adjusted
MetricGMMFSPY
Price$100.28$765.61
Market cap$191.5M$816.74B
Today+0.01%−0.74%
1 month0.0%−0.7%
6 months−0.2%+20.7%
Year to date+0.1%+12.3%
1 year−0.2%+16.3%
Revenue growth (YoY)——
Gross margin——
Net margin——
P/E (TTM)——
Price / sales——
Net cash——
Dividend yield3.57%0.99%
Volatility (60d)0.5%11.2%
Short % of float——
Next earnings——

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

GMMF vs SPY: iShares Government Money Market ETF vs State Street SPDR S&P 500 ETF Trust Stock Comparison | Gainbot