Dark

IRDM
Iridium Communications Inc.
stock NASDAQ

At Close

Dec 15, 2025 3:59:58 PM EST

17.59USD-6.086%(-1.14)1,787,962

17.58Bid 17.61Ask 0.03Spread

Pre-market

Dec 15, 2025 9:27:30 AM EST

18.61USD-0.641%(-0.12)6,787

After-hours

Dec 15, 2025 4:07:30 PM EST

17.60USD+0.057%(+0.01)14,350

OverviewOptionsHistoricalExchange VolumeShortsMore

IRDM Volume Dec 15, 2025

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	43.30	774,224	48.06
Nasdaq GSM	38.09	681,076	34.67
NYSE Arca	5.70	101,933	4.53
IEX	4.09	73,044	4.30
Cboe EDGX	2.46	44,069	2.28
Cboe BZX	1.95	34,876	2.29
MEMX	1.40	25,066	1.05
NYSE	1.19	21,282	1.19
Nasdaq BX	0.50	8,988	0.33
NYSE National	0.27	4,884	0.19
Cboe EDGA	0.27	4,863	0.28
Cboe BYX	0.25	4,555	0.38
MIAX Pearl	0.20	3,515	0.26
NYSE American	0.18	3,297	0.08
Nasdaq PHLX	0.11	1,887	0.10
CHX	0.02	403	0.03
LTSE	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.

IRDM Nutrition Facts

0.82 servings per container

Serving size

2.17M

Calories

1.79M

% Day

% Avg

Off Exchange¹ 774K

43.30%

48.06%

Nasdaq GSM 681K

38.09%

34.67%

NYSE Arca 102K

5.70%

4.53%

IEX 73K

4.09%

4.30%

Cboe EDGX 44K

2.46%

2.28%

Cboe BZX 35K

1.95%

2.29%

MEMX 25K

1.40%

1.05%

NYSE 21K

1.19%

Nasdaq BX 9K

0.50%

0.33%

NYSE National 5K

0.27%

0.19%

Cboe EDGA 5K

0.27%

0.28%

Cboe BYX 5K

0.25%

0.38%

MIAX Pearl 4K

0.20%

0.26%

NYSE American 3K

0.18%

0.08%

Nasdaq PHLX 2K

0.11%

0.10%

CHX 403

0.02%

0.03%

LTSE 0

0.00%

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

chartexchange.com

IRDM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 774,224, which is 43.30% of today's total volume.
Today's Lit volume is 1,013,738, which is 56.70%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.06%.
The average Lit volume has been 51.94%.

IRDM Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

MEMX

NYSE

Nasdaq BX

NYSE National

Cboe EDGA