Dark

DGX
Quest Diagnostics Inc.
stock NYSE

At Close

Feb 27, 2026 3:59:39 PM EST

211.68USD+0.275%(+0.58)1,058,730

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-211.10)0

After-hours

Feb 27, 2026 4:15:30 PM EST

211.91USD+0.109%(+0.23)49,121

OverviewOptionsHistoricalDark Pool LevelsShortsMore

DGX Volume Feb 27, 2026

[NF]

Exchange	Day%	Volume	30D%
NYSE	37.46	396,606	32.76
Off Exchange¹	37.40	395,962	40.31
Nasdaq GSM	8.45	89,508	9.94
Cboe EDGX	3.99	42,273	1.93
IEX	3.51	37,128	4.23
Cboe BZX	3.48	36,811	3.82
NYSE Arca	1.77	18,753	3.02
MEMX	1.38	14,653	0.77
MIAX Pearl	0.72	7,585	0.20
Nasdaq BX	0.51	5,419	0.79
Cboe EDGA	0.39	4,076	0.44
Nasdaq PHLX	0.33	3,519	0.17
Cboe BYX	0.28	2,973	0.81
NYSE National	0.19	2,017	0.40
NYSE American	0.12	1,317	0.11
CHX	0.00	41	0.29
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.

DGX Nutrition Facts

0.94 servings per container

Serving size

1.13M

Calories

1.06M

% Day

% Avg

NYSE 397K

37.46%

32.76%

Off Exchange¹ 396K

37.40%

40.31%

Nasdaq GSM 90K

8.45%

9.94%

Cboe EDGX 42K

3.99%

1.93%

IEX 37K

3.51%

4.23%

Cboe BZX 37K

3.48%

3.82%

NYSE Arca 19K

1.77%

3.02%

MEMX 15K

1.38%

0.77%

MIAX Pearl 8K

0.72%

0.20%

Nasdaq BX 5K

0.51%

0.79%

Cboe EDGA 4K

0.39%

0.44%

Nasdaq PHLX 4K

0.33%

0.17%

Cboe BYX 3K

0.28%

0.81%

NYSE National 2K

0.19%

0.40%

NYSE American 1K

0.12%

0.11%

CHX 41

0.00%

0.29%

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

DGX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 395,962, which is 37.40% of today's total volume.
Today's Lit volume is 662,679, which is 62.60%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.31%.
The average Lit volume has been 59.69%.

DGX Volume by Exchange

NYSE

Off Exchange

Nasdaq GSM

Cboe EDGX

IEX

Cboe BZX

NYSE Arca

MEMX

MIAX Pearl

Nasdaq BX

Cboe EDGA