
stockNYSE: IRM • Today's Updates
Iron Mountain Incorporated (Delaware)Common Stock REIT (IRM) Today Close
Showing Closing Date Range from Oct 7 to Oct 8, 2026.
Investor Relations:investors.ironmountain.com
NYSE MarketBefore the Open Wall Street: 4:26 AM ET
Before the Open • Session Opens at 9:30 AM ET
Regular trading in New York opens at 9:30 AM ET (4:26 AM ET). Displaying the most recent finalized session (Oct 08, 2026) below as reference.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$115.34
Opening Gap$-0.41(-0.35%)
Last Finalized Close
PREVIOUS CLOSEFinalized close from Oct 08, 2026
$112.97
Session DateOct 08, 2026
Lost Today
LOSS Net movement vs previous close
$-2.78 (-2.40%)
Intraday (from open)$-2.37 (-2.05%)
Day's High & Low Range
Session Low
$110.61
Session High
$115.63
Low ($110.61)Last Finalized Close ($112.97)High ($115.63)
Trading Activity & Liquidity
Shares Traded
1.80M
1,798,220 shares
Dollar Volume
$203.14M
Close × Volume traded
Session Turnover$203.14M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Iron Mountain Incorporated (Delaware)Common Stock REIT (IRM).
Oct 08, 2026
Started At (Open)
$115.34
Previous Close
$115.75
Session High
$115.63
Session Low
$110.61
Last Finalized Close
$112.97
Gained / Lost ($)
$-2.78
Gained / Lost (%)
-2.40%
Day's Spread
$5.02