Dark

DXCM
DexCom, Inc.
stock NASDAQ

Market Open

Jun 30, 2026 3:25:52 PM EDT

67.99USD-2.844%(-1.99)2,208,194

65.55Bid 68.00Ask 2.45Spread

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

OverviewOptionsHistoricalExchange VolumeShortsMore

DXCM Volume Jun 30, 2026 3:05:02 PM EDT

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	56.00	1,170,452	38.95
Nasdaq GSM	23.72	495,781	42.92
IEX	7.59	158,689	5.11
NYSE Arca	4.75	99,230	4.20
Cboe BZX	3.00	62,798	2.88
Cboe EDGX	1.27	26,547	1.88
NYSE	1.05	21,959	1.06
MEMX	0.80	16,758	0.74
Cboe BYX	0.61	12,793	0.43
NYSE National	0.28	5,921	0.19
Cboe EDGA	0.28	5,862	0.54
Nasdaq BX	0.23	4,763	0.26
MIAX Pearl	0.15	3,224	0.24
CHX	0.08	1,588	0.36
Nasdaq PHLX	0.08	1,586	0.13
NYSE American	0.05	1,108	0.09
24X National	0.04	940	0.02
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

0.32 servings per container

Serving size

6.53M

Calories

2.09M

% Day

% Avg

Off Exchange¹ 1M

56.00%

38.95%

Nasdaq GSM 496K

23.72%

42.92%

IEX 159K

7.59%

5.11%

NYSE Arca 99K

4.75%

4.20%

Cboe BZX 63K

3.00%

2.88%

Cboe EDGX 27K

1.27%

1.88%

NYSE 22K

1.05%

1.06%

MEMX 17K

0.80%

0.74%

Cboe BYX 13K

0.61%

0.43%

NYSE National 6K

0.28%

0.19%

Cboe EDGA 6K

0.28%

0.54%

Nasdaq BX 5K

0.23%

0.26%

MIAX Pearl 3K

0.15%

0.24%

CHX 2K

0.08%

0.36%

Nasdaq PHLX 2K

0.08%

0.13%

NYSE American 1K

0.05%

0.09%

24X National 940

0.04%

0.02%

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 1,170,452, which is 56.00% of today's total volume.
Today's Lit volume is 919,547, which is 44.00%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.95%.
The average Lit volume has been 61.05%.

DXCM Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe BYX

NYSE National

Cboe EDGA