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DXCM
DexCom, Inc.
stock NASDAQ

At Close

Sep 30, 2026 3:59:56 PM EDT

86.29USD-0.404%(-0.35)3,409,070

81.13Bid 90.43Ask 9.30Spread

Pre-market

Sep 29, 2026 8:02:30 AM EDT

86.64USD0.000%(0.00)0

After-hours

Sep 30, 2026 4:33:30 PM EDT

86.29USD0.000%(0.00)2,757

OverviewOptionsHistoricalExchange VolumeShortsMore

DXCM Volume Sep 30, 2026

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Exchange	Day%	Volume	30D%
Nasdaq GSM	43.11	1,496,653	41.22
Off Exchange¹	38.12	1,323,615	42.65
IEX	5.53	192,065	4.53
NYSE Arca	5.09	176,694	4.20
Cboe BZX	2.99	103,910	2.63
Cboe EDGX	1.21	42,002	1.47
NYSE	1.19	41,231	0.90
MEMX	0.86	29,961	0.52
Cboe EDGA	0.54	18,801	0.45
Cboe BYX	0.38	13,156	0.44
MIAX Pearl	0.23	7,957	0.24
Nasdaq BX	0.18	6,125	0.22
NYSE National	0.12	4,123	0.13
Nasdaq PHLX	0.12	4,117	0.12
24X National	0.10	3,606	0.05
NYSE American	0.08	2,950	0.08
Texas Stock Exchange LLC	0.07	2,459	0.03
CHX	0.07	2,401	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

0.85 servings per container

Serving size

4.09M

Calories

3.47M

% Day

% Avg

Nasdaq GSM 1M

43.11%

41.22%

Off Exchange¹ 1M

38.12%

42.65%

IEX 192K

5.53%

4.53%

NYSE Arca 177K

5.09%

4.20%

Cboe BZX 104K

2.99%

2.63%

Cboe EDGX 42K

1.21%

1.47%

NYSE 41K

1.19%

0.90%

MEMX 30K

0.86%

0.52%

Cboe EDGA 19K

0.54%

0.45%

Cboe BYX 13K

0.38%

0.44%

MIAX Pearl 8K

0.23%

0.24%

Nasdaq BX 6K

0.18%

0.22%

NYSE National 4K

0.12%

0.13%

Nasdaq PHLX 4K

0.12%

24X National 4K

0.10%

0.05%

NYSE American 3K

0.08%

Texas Stock Exchange LLC 2K

0.07%

0.03%

CHX 2K

0.07%

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 1,323,615, which is 38.12% of today's total volume.
Today's Lit volume is 2,148,211, which is 61.88%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.65%.
The average Lit volume has been 57.35%.

DXCM Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Cboe BYX

MIAX Pearl