Dark

TNDM
Tandem Diabetes Care, Inc.
stock NASDAQ

Market Open

Jul 16, 2025 1:29:21 PM EDT

15.72USD+3.421%(+0.52)612,764

15.65Bid 16.50Ask 0.85Spread

Pre-market

Jul 16, 2025 8:36:30 AM EDT

15.25USD+0.329%(+0.05)278

After-hours

Jul 15, 2025 4:16:30 PM EDT

15.23USD+0.263%(+0.04)0

OverviewOptionsHistoricalExchange VolumeShortsMore

TNDM Volume Jul 16, 2025 1:05:03 PM EDT

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	48.54	262,850	43.31
Nasdaq GSM	26.26	142,211	36.02
NYSE Arca	6.20	33,558	4.29
IEX	5.60	30,320	5.43
Cboe BZX	4.39	23,770	3.19
Cboe EDGX	3.42	18,516	2.49
MEMX	2.33	12,632	1.44
NYSE	1.24	6,715	1.43
Cboe EDGA	0.69	3,748	0.36
Cboe BYX	0.58	3,128	0.67
Nasdaq BX	0.30	1,649	0.54
Nasdaq PHLX	0.16	859	0.21
NYSE National	0.09	491	0.22
NYSE American	0.09	484	0.10
MIAX Pearl	0.05	269	0.27
CHX	0.05	258	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.

TNDM Nutrition Facts

0.33 servings per container

Serving size

1.62M

Calories

541.46K

% Day

% Avg

Off Exchange¹ 263K

48.54%

43.31%

Nasdaq GSM 142K

26.26%

36.02%

NYSE Arca 34K

6.20%

4.29%

IEX 30K

5.60%

5.43%

Cboe BZX 24K

4.39%

3.19%

Cboe EDGX 19K

3.42%

2.49%

MEMX 13K

2.33%

1.44%

NYSE 7K

1.24%

1.43%

Cboe EDGA 4K

0.69%

0.36%

Cboe BYX 3K

0.58%

0.67%

Nasdaq BX 2K

0.30%

0.54%

Nasdaq PHLX 859

0.16%

0.21%

NYSE National 491

0.09%

0.22%

NYSE American 484

0.09%

0.10%

MIAX Pearl 269

0.05%

0.27%

CHX 258

0.05%

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

TNDM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 262,850, which is 48.54% of today's total volume.
Today's Lit volume is 278,608, which is 51.46%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.31%.
The average Lit volume has been 56.69%.

TNDM Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

MEMX

NYSE

Cboe EDGA

Cboe BYX

Nasdaq BX