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CMCSA
Comcast Corp
stock NASDAQ

At Close

Jul 20, 2026 4:00:00 PM EDT

23.80USD+0.042%(+0.01)37,043,086

23.80Bid 23.81Ask 0.01Spread

Pre-market

Jul 20, 2026 9:27:30 AM EDT

23.80USD+0.042%(+0.01)10,126

After-hours

Jul 20, 2026 4:36:30 PM EDT

23.79USD-0.042%(-0.01)14,736

OverviewOptionsHistoricalExchange VolumeShortsMore

CMCSA Volume Jul 20, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	43.15	12,957,779	42.43
Nasdaq GSM	19.90	5,977,309	33.45
NYSE Arca	9.91	2,976,924	6.37
IEX	7.79	2,338,692	6.10
Cboe BZX	7.69	2,307,919	3.57
Cboe EDGX	3.45	1,036,108	2.45
NYSE	2.40	720,406	1.48
MEMX	1.60	481,144	1.05
Cboe EDGA	1.01	303,720	0.54
NYSE National	0.90	270,672	0.54
MIAX Pearl	0.89	266,848	0.53
Cboe BYX	0.61	183,872	0.59
Nasdaq BX	0.18	54,928	0.17
CHX	0.17	50,022	0.52
NYSE American	0.15	45,100	0.10
Nasdaq PHLX	0.13	38,836	0.08
24X National	0.03	9,581	0.01
LTSE	0.03	8,636	0.00
Texas Stock Exchange LLC	0.01	2,807	0.00

chartexchange.com

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

CMCSA Nutrition Facts

0.76 servings per container

Serving size

39.32M

Calories

30.03M

% Day

% Avg

Off Exchange¹ 13M

43.15%

42.43%

Nasdaq GSM 6M

19.90%

33.45%

NYSE Arca 3M

9.91%

6.37%

IEX 2M

7.79%

6.10%

Cboe BZX 2M

7.69%

3.57%

Cboe EDGX 1M

3.45%

2.45%

NYSE 720K

2.40%

1.48%

MEMX 481K

1.60%

1.05%

Cboe EDGA 304K

1.01%

0.54%

NYSE National 271K

0.90%

0.54%

MIAX Pearl 267K

0.89%

0.53%

Cboe BYX 184K

0.61%

0.59%

Nasdaq BX 55K

0.18%

0.17%

CHX 50K

0.17%

0.52%

NYSE American 45K

0.15%

0.10%

Nasdaq PHLX 39K

0.13%

0.08%

24X National 10K

0.03%

0.01%

LTSE 9K

0.03%

0.00%

Texas Stock Exchange LLC 3K

0.01%

0.00%

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

chartexchange.com

CMCSA Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 12,957,779, which is 43.15% of today's total volume.
Today's Lit volume is 17,073,524, which is 56.85%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.43%.
The average Lit volume has been 57.57%.

CMCSA Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

NYSE National

MIAX Pearl