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CMCSA
Comcast Corp
stock NASDAQ

Market Open

Sep 17, 2026 11:39:52 AM EDT

23.33USD-1.665%(-0.40)11,014,396

23.33Bid 23.34Ask 0.01Spread

Pre-market

Sep 17, 2026 9:29:59 AM EDT

23.88USD+0.611%(+0.14)42,838

After-hours

Sep 16, 2026 4:56:30 PM EDT

23.73USD-0.084%(-0.02)0

OverviewOptionsHistoricalExchange VolumeShortsMore

CMCSA Volume Sep 17, 2026 11:15:03 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	59.49	5,629,124	48.73
Nasdaq GSM	12.67	1,199,028	29.18
IEX	7.88	745,176	6.08
NYSE Arca	7.22	682,997	5.71
Cboe BZX	4.84	458,046	2.79
Cboe EDGX	2.62	248,154	2.15
NYSE	1.61	152,548	1.40
MEMX	1.23	116,204	0.87
Cboe EDGA	0.62	58,458	0.53
MIAX Pearl	0.49	46,000	0.44
Cboe BYX	0.41	39,012	0.61
NYSE National	0.31	29,222	0.66
Texas Stock Exchange LLC	0.20	18,669	0.06
Nasdaq BX	0.19	18,397	0.14
NYSE American	0.12	11,249	0.10
Nasdaq PHLX	0.05	4,866	0.07
CHX	0.04	3,551	0.47
24X National	0.01	1,331	0.01
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.

CMCSA Nutrition Facts

0.41 servings per container

Serving size

22.85M

Calories

9.46M

% Day

% Avg

Off Exchange¹ 6M

59.49%

48.73%

Nasdaq GSM 1M

12.67%

29.18%

IEX 745K

7.88%

6.08%

NYSE Arca 683K

7.22%

5.71%

Cboe BZX 458K

4.84%

2.79%

Cboe EDGX 248K

2.62%

2.15%

NYSE 153K

1.61%

1.40%

MEMX 116K

1.23%

0.87%

Cboe EDGA 58K

0.62%

0.53%

MIAX Pearl 46K

0.49%

0.44%

Cboe BYX 39K

0.41%

0.61%

NYSE National 29K

0.31%

0.66%

Texas Stock Exchange LLC 19K

0.20%

0.06%

Nasdaq BX 18K

0.19%

0.14%

NYSE American 11K

0.12%

0.10%

Nasdaq PHLX 5K

0.05%

0.07%

CHX 4K

0.04%

0.47%

24X National 1K

0.01%

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

CMCSA Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 5,629,124, which is 59.49% of today's total volume.
Today's Lit volume is 3,832,908, which is 40.51%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.73%.
The average Lit volume has been 51.27%.

CMCSA Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

MIAX Pearl

Cboe BYX