Dark

IRM
Iron Mountain Inc.
stock NYSE

At Close

Sep 25, 2026 3:59:55 PM EDT

111.40USD-2.358%(-2.69)1,300,087

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 23, 2026 9:27:30 AM EDT

117.76USD+3.217%(+3.67)0

After-hours

Sep 25, 2026 4:10:30 PM EDT

111.38USD-0.018%(-0.02)2,707

OverviewOptionsHistoricalDark Pool LevelsShortsMore

IRM Volume Sep 25, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	43.70	567,492	43.36
NYSE	28.38	368,531	36.80
Nasdaq GSM	8.91	115,675	6.33
IEX	5.91	76,705	4.23
Cboe BZX	3.97	51,614	3.17
NYSE Arca	3.07	39,883	2.33
Cboe EDGX	1.94	25,227	1.13
MEMX	0.99	12,866	0.44
Cboe BYX	0.96	12,454	0.62
Cboe EDGA	0.63	8,210	0.35
Nasdaq BX	0.56	7,256	0.30
NYSE National	0.39	5,000	0.30
MIAX Pearl	0.23	2,934	0.13
NYSE American	0.14	1,873	0.12
CHX	0.12	1,563	0.25
Nasdaq PHLX	0.09	1,210	0.12
Texas Stock Exchange LLC	0.00	18	0.01
24X National	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

IRM Nutrition Facts

0.84 servings per container

Serving size

1.54M

Calories

1.30M

% Day

% Avg

Off Exchange¹ 567K

43.70%

43.36%

NYSE 369K

28.38%

36.80%

Nasdaq GSM 116K

8.91%

6.33%

IEX 77K

5.91%

4.23%

Cboe BZX 52K

3.97%

3.17%

NYSE Arca 40K

3.07%

2.33%

Cboe EDGX 25K

1.94%

1.13%

MEMX 13K

0.99%

0.44%

Cboe BYX 12K

0.96%

0.62%

Cboe EDGA 8K

0.63%

0.35%

Nasdaq BX 7K

0.56%

0.30%

NYSE National 5K

0.39%

0.30%

MIAX Pearl 3K

0.23%

0.13%

NYSE American 2K

0.14%

0.12%

CHX 2K

0.12%

0.25%

Nasdaq PHLX 1K

0.09%

0.12%

Texas Stock Exchange LLC 18

0.00%

0.01%

24X National 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

IRM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 567,492, which is 43.70% of today's total volume.
Today's Lit volume is 731,019, which is 56.30%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.36%.
The average Lit volume has been 56.64%.

IRM Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe BYX

Cboe EDGA

Nasdaq BX