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DXCM
DexCom, Inc.
stock NASDAQ

Market Open

Jun 30, 2026 1:12:46 PM EDT

68.33USD-2.358%(-1.65)1,630,363

68.30Bid 71.65Ask 3.35Spread

Pre-market

Jun 30, 2026 9:28:30 AM EDT

69.71USD-0.386%(-0.27)758

After-hours

Jun 29, 2026 4:06:30 PM EDT

69.98USD0.000%(0.00)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

DXCM Volume Jun 30, 2026 12:55:02 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	59.02	920,931	38.92
Nasdaq GSM	22.56	351,962	42.97
IEX	6.95	108,468	5.10
NYSE Arca	4.30	67,126	4.20
Cboe BZX	2.60	40,528	2.88
Cboe EDGX	1.19	18,642	1.88
NYSE	1.03	16,039	1.06
MEMX	0.78	12,147	0.74
Cboe BYX	0.58	8,973	0.43
Cboe EDGA	0.27	4,268	0.54
Nasdaq BX	0.24	3,730	0.26
NYSE National	0.19	3,035	0.19
MIAX Pearl	0.13	1,988	0.24
Nasdaq PHLX	0.07	1,078	0.13
CHX	0.04	596	0.36
24X National	0.03	512	0.02
NYSE American	0.02	350	0.09
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.

DXCM Nutrition Facts

0.24 servings per container

Serving size

6.53M

Calories

1.56M

% Day

% Avg

Off Exchange¹ 921K

59.02%

38.92%

Nasdaq GSM 352K

22.56%

42.97%

IEX 108K

6.95%

5.10%

NYSE Arca 67K

4.30%

4.20%

Cboe BZX 41K

2.60%

2.88%

Cboe EDGX 19K

1.19%

1.88%

NYSE 16K

1.03%

1.06%

MEMX 12K

0.78%

0.74%

Cboe BYX 9K

0.58%

0.43%

Cboe EDGA 4K

0.27%

0.54%

Nasdaq BX 4K

0.24%

0.26%

NYSE National 3K

0.19%

MIAX Pearl 2K

0.13%

0.24%

Nasdaq PHLX 1K

0.07%

0.13%

CHX 596

0.04%

0.36%

24X National 512

0.03%

0.02%

NYSE American 350

0.02%

0.09%

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

DXCM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 920,931, which is 59.02% of today's total volume.
Today's Lit volume is 639,442, which is 40.98%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.92%.
The average Lit volume has been 61.08%.

DXCM Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe BYX

Cboe EDGA

Nasdaq BX