Dark

MRK
Merck & Co., Inc.
stock NYSE

At Close

May 9, 2025 3:59:56 PM EDT

75.97USD-2.164%(-1.68)15,614,536

0.00Bid 0.00Ask 0.00Spread

Pre-market

May 9, 2025 9:27:30 AM EDT

77.90USD+0.322%(+0.25)247,169

After-hours

May 9, 2025 4:54:30 PM EDT

76.00USD+0.039%(+0.03)47,100

OverviewOptionsHistoricalExchange VolumeShortsMore

MRK Volume May 9, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	45.10	7,042,779	44.60
NYSE	19.03	2,970,870	23.36
Nasdaq GSM	10.94	1,708,706	10.71
Cboe BZX	7.52	1,174,833	5.17
NYSE Arca	5.43	847,446	4.87
IEX	4.03	629,615	3.99
Cboe EDGX	3.75	586,132	2.56
MEMX	1.46	227,639	1.77
Cboe EDGA	1.42	221,746	0.55
Cboe BYX	0.36	56,817	0.55
MIAX Pearl	0.35	54,255	0.36
NYSE National	0.21	32,796	0.15
Nasdaq PHLX	0.13	19,589	0.16
Nasdaq BX	0.11	17,877	0.28
CHX	0.09	13,839	0.80
NYSE American	0.05	7,811	0.10
LTSE	0.01	1,500	0.01

chartexchange.com

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

MRK Nutrition Facts

0.96 servings per container

Serving size

16.30M

Calories

15.61M

% Day

% Avg

Off Exchange¹ 7M

45.10%

44.60%

NYSE 3M

19.03%

23.36%

Nasdaq GSM 2M

10.94%

10.71%

Cboe BZX 1M

7.52%

5.17%

NYSE Arca 847K

5.43%

4.87%

IEX 630K

4.03%

3.99%

Cboe EDGX 586K

3.75%

2.56%

MEMX 228K

1.46%

1.77%

Cboe EDGA 222K

1.42%

0.55%

Cboe BYX 57K

0.36%

0.55%

MIAX Pearl 54K

0.35%

0.36%

NYSE National 33K

0.21%

0.15%

Nasdaq PHLX 20K

0.13%

0.16%

Nasdaq BX 18K

0.11%

0.28%

CHX 14K

0.09%

0.80%

NYSE American 8K

0.05%

0.10%

LTSE 2K

0.01%

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

chartexchange.com

MRK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 7,042,779, which is 45.10% of today's total volume.
Today's Lit volume is 8,571,471, which is 54.90%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.60%.
The average Lit volume has been 55.40%.

MRK Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

Cboe BZX

NYSE Arca

IEX

Cboe EDGX

MEMX

Cboe EDGA

Cboe BYX

MIAX Pearl