Both in REITs

Realty Income vs Iron Mountain

Over the past year O returned −2.2% and IRM returned +12.4%; their daily moves had a correlation of 0.20.

O −2.2% IRM +12.4%Growth of $1, one year, split-adjusted
MetricOIRM
Price$56.93$116.55
Market cap$53.87B$34.70B
Today−0.47%−1.55%
1 month+6.4%+4.9%
6 months−10.8%−8.4%
Year to date+1.0%+40.5%
1 year−2.5%+15.0%
Revenue growth (YoY)+6.6%+18.5%
Gross margin92.1%52.8%
Net margin24.1%5.0%
P/E (TTM)42.5×82.9×
Price / sales9.7×4.6×
Net cash-$27.34B-$17.14B
Dividend yield5.72%2.97%
Volatility (60d)15.9%28.2%
Short % of float4.1%2.4%
Next earnings——

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