Dark

MMC
Marsh & McLennan Companies, Inc.
stock NYSE

At Close

May 9, 2025 3:59:57 PM EDT

226.81USD-0.709%(-1.62)1,525,023

226.79Bid 226.89Ask 0.10Spread

Pre-market

May 8, 2025 9:01:30 AM EDT

228.59USD+0.070%(+0.16)0

After-hours

May 9, 2025 4:00:30 PM EDT

226.85USD+0.009%(+0.02)101,718

OverviewOptionsHistoricalExchange VolumeShortsMore

MMC Volume May 9, 2025

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Exchange	Day%	Volume	30D%
Off Exchange¹	46.99	716,690	43.24
NYSE	37.29	568,706	31.68
Nasdaq GSM	5.68	86,573	9.25
NYSE Arca	3.21	49,021	4.07
IEX	1.96	29,922	3.95
Cboe BZX	1.72	26,283	3.17
Cboe EDGX	1.09	16,555	1.18
MEMX	0.55	8,337	0.61
Nasdaq BX	0.46	7,079	0.62
Cboe BYX	0.41	6,215	0.76
NYSE National	0.15	2,363	0.28
MIAX Pearl	0.13	1,981	0.24
Nasdaq PHLX	0.12	1,861	0.17
Cboe EDGA	0.12	1,791	0.31
NYSE American	0.07	1,108	0.19
CHX	0.04	557	0.26
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.

MMC Nutrition Facts

0.59 servings per container

Serving size

2.57M

Calories

1.53M

% Day

% Avg

Off Exchange¹ 717K

46.99%

43.24%

NYSE 569K

37.29%

31.68%

Nasdaq GSM 87K

5.68%

9.25%

NYSE Arca 49K

3.21%

4.07%

IEX 30K

1.96%

3.95%

Cboe BZX 26K

1.72%

3.17%

Cboe EDGX 17K

1.09%

1.18%

MEMX 8K

0.55%

0.61%

Nasdaq BX 7K

0.46%

0.62%

Cboe BYX 6K

0.41%

0.76%

NYSE National 2K

0.15%

0.28%

MIAX Pearl 2K

0.13%

0.24%

Nasdaq PHLX 2K

0.12%

0.17%

Cboe EDGA 2K

0.12%

0.31%

NYSE American 1K

0.07%

0.19%

CHX 557

0.04%

0.26%

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

MMC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 716,690, which is 46.99% of today's total volume.
Today's Lit volume is 808,352, which is 53.01%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.24%.
The average Lit volume has been 56.76%.

MMC Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

MEMX

Nasdaq BX

Cboe BYX

NYSE National