IRM vs SPG

A side-by-side look at IRM and SPG, updated throughout the trading session.

IRMIRM Open IRM on Vela

SPGSPG Open SPG on Vela

Performance, normalized

Z-scored closes: both paths on one scale, price levels aside.

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IRM vs SPG: how they differ

Iron Mountain Incorporated (IRM) and Simon Property Group, Inc. (SPG) are both in the Real Estate sector: IRM is classified in REIT - Specialty, SPG in REIT - Retail. Both trade on NYSE.

IRM trades about 1.7 million shares a day on average, against 1.6 million for SPG. SPG has the higher beta (1.33 against 1.19 for IRM), meaning it has historically moved more with the broad market. Over the trailing twelve months, IRM paid $3.46 per share in dividends and SPG paid $8.90 per share.

Figures as of October 26, 2026.

The chart Z-score-normalizes each closing series, computing (close − mean) ÷ standard deviation over the window, so both paths share one scale regardless of price level, and correlation is computed on daily returns. Figures update throughout the trading session. Nothing on this page is financial advice.