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DGX
Quest Diagnostics Inc.
stock NYSE

Market Open

Jan 14, 2026 9:30:03 AM EST

180.42USD+0.256%(+0.46)6,148

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jan 12, 2026 8:26:30 AM EST

174.44USD-0.853%(-1.50)0

After-hours

Jan 13, 2026 4:00:30 PM EST

179.96USD-0.061%(-0.11)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

DGX Volume Jan 14, 2026

[NF]

Exchange	Day%	Volume	30D%
NYSE	36.82	393,524	32.92
Off Exchange¹	34.17	365,187	43.07
Nasdaq GSM	11.61	124,067	8.87
IEX	5.33	57,011	4.24
Cboe BZX	4.49	47,951	3.24
NYSE Arca	2.96	31,588	2.39
Cboe EDGX	1.98	21,124	1.61
Cboe BYX	0.47	5,032	0.82
MEMX	0.42	4,528	0.79
Cboe EDGA	0.39	4,119	0.34
NYSE American	0.36	3,869	0.13
Nasdaq BX	0.34	3,592	0.67
NYSE National	0.31	3,281	0.36
Nasdaq PHLX	0.17	1,798	0.15
MIAX Pearl	0.13	1,424	0.19
CHX	0.07	760	0.21

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

DGX Nutrition Facts

1.17 servings per container

Serving size

914.87K

Calories

1.07M

% Day

% Avg

NYSE 394K

36.82%

32.92%

Off Exchange¹ 365K

34.17%

43.07%

Nasdaq GSM 124K

11.61%

8.87%

IEX 57K

5.33%

4.24%

Cboe BZX 48K

4.49%

3.24%

NYSE Arca 32K

2.96%

2.39%

Cboe EDGX 21K

1.98%

1.61%

Cboe BYX 5K

0.47%

0.82%

MEMX 5K

0.42%

0.79%

Cboe EDGA 4K

0.39%

0.34%

NYSE American 4K

0.36%

0.13%

Nasdaq BX 4K

0.34%

0.67%

NYSE National 3K

0.31%

0.36%

Nasdaq PHLX 2K

0.17%

0.15%

MIAX Pearl 1K

0.13%

0.19%

CHX 760

0.07%

0.21%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

DGX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 365,187, which is 34.17% of today's total volume.
Today's Lit volume is 703,668, which is 65.83%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.07%.
The average Lit volume has been 56.93%.

DGX Volume by Exchange

NYSE

Off Exchange

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

Cboe BYX

MEMX

Cboe EDGA

NYSE American