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TNDM
Tandem Diabetes Care, Inc.
stock NASDAQ

At Close

Aug 14, 2026 3:59:57 PM EDT

22.70USD-1.859%(-0.43)1,682,807

22.70Bid 25.69Ask 2.99Spread

Pre-market

Aug 14, 2026 9:17:30 AM EDT

22.73USD-1.729%(-0.40)6,934

After-hours

Aug 14, 2026 4:34:30 PM EDT

22.65USD-0.220%(-0.05)150

OverviewOptionsHistoricalExchange VolumeShortsMore

TNDM Volume Aug 14, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	58.19	872,596	43.82
Nasdaq GSM	18.92	283,637	32.02
IEX	7.94	119,059	6.58
NYSE Arca	4.58	68,750	6.14
Cboe BZX	3.45	51,668	3.99
Cboe EDGX	2.25	33,663	2.70
NYSE	1.70	25,428	1.49
MEMX	0.78	11,694	1.06
Cboe EDGA	0.61	9,169	0.50
Cboe BYX	0.50	7,468	0.65
MIAX Pearl	0.37	5,556	0.26
Nasdaq PHLX	0.22	3,330	0.17
NYSE American	0.19	2,893	0.16
Nasdaq BX	0.17	2,551	0.19
CHX	0.08	1,208	0.11
NYSE National	0.05	787	0.12
LTSE	0.00	1	0.00
Texas Stock Exchange LLC	0.00	1	0.03
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.

TNDM Nutrition Facts

0.74 servings per container

Serving size

2.03M

Calories

1.50M

% Day

% Avg

Off Exchange¹ 873K

58.19%

43.82%

Nasdaq GSM 284K

18.92%

32.02%

IEX 119K

7.94%

6.58%

NYSE Arca 69K

4.58%

6.14%

Cboe BZX 52K

3.45%

3.99%

Cboe EDGX 34K

2.25%

2.70%

NYSE 25K

1.70%

1.49%

MEMX 12K

0.78%

1.06%

Cboe EDGA 9K

0.61%

0.50%

Cboe BYX 7K

0.50%

0.65%

MIAX Pearl 6K

0.37%

0.26%

Nasdaq PHLX 3K

0.22%

0.17%

NYSE American 3K

0.19%

0.16%

Nasdaq BX 3K

0.17%

0.19%

CHX 1K

0.08%

0.11%

NYSE National 787

0.05%

0.12%

LTSE 1

0.00%

Texas Stock Exchange LLC 1

0.00%

0.03%

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

TNDM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 872,596, which is 58.19% of today's total volume.
Today's Lit volume is 626,863, which is 41.81%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.82%.
The average Lit volume has been 56.18%.

TNDM Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Cboe BYX

MIAX Pearl