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COST
Costco Wholesale Corp
stock NASDAQ

At Close

Sep 11, 2026 3:59:54 PM EDT

904.67USD+0.254%(+2.29)1,773,175

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 11, 2026 9:29:59 AM EDT

905.35USD+0.329%(+2.97)2,923

After-hours

Sep 11, 2026 4:53:30 PM EDT

904.60USD-0.008%(-0.07)10,283

OverviewOptionsHistoricalExchange VolumeShortsMore

COST Volume Sep 11, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	55.45	633,042	45.13
Nasdaq GSM	20.21	230,734	34.18
NYSE Arca	7.76	88,599	6.56
Cboe BZX	5.02	57,254	2.87
IEX	3.89	44,460	3.09
Cboe EDGX	3.75	42,840	2.90
MEMX	1.28	14,564	1.23
NYSE	0.90	10,264	1.00
Cboe BYX	0.48	5,436	0.45
Cboe EDGA	0.30	3,432	0.25
Nasdaq BX	0.27	3,083	0.32
MIAX Pearl	0.22	2,552	0.19
Nasdaq PHLX	0.21	2,356	0.13
NYSE National	0.16	1,874	0.22
CHX	0.04	444	1.36
NYSE American	0.03	357	0.10
Texas Stock Exchange LLC	0.02	244	0.01
24X National	0.00	11	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.

COST Nutrition Facts

0.62 servings per container

Serving size

1.83M

Calories

1.14M

% Day

% Avg

Off Exchange¹ 633K

55.45%

45.13%

Nasdaq GSM 231K

20.21%

34.18%

NYSE Arca 89K

7.76%

6.56%

Cboe BZX 57K

5.02%

2.87%

IEX 44K

3.89%

3.09%

Cboe EDGX 43K

3.75%

2.90%

MEMX 15K

1.28%

1.23%

NYSE 10K

0.90%

1.00%

Cboe BYX 5K

0.48%

0.45%

Cboe EDGA 3K

0.30%

0.25%

Nasdaq BX 3K

0.27%

0.32%

MIAX Pearl 3K

0.22%

0.19%

Nasdaq PHLX 2K

0.21%

0.13%

NYSE National 2K

0.16%

0.22%

CHX 444

0.04%

1.36%

NYSE American 357

0.03%

0.10%

Texas Stock Exchange LLC 244

0.02%

0.01%

24X National 11

0.00%

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

COST Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 633,042, which is 55.45% of today's total volume.
Today's Lit volume is 508,504, which is 44.55%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.13%.
The average Lit volume has been 54.87%.

COST Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

IEX

Cboe EDGX

MEMX

NYSE

Cboe BYX

Cboe EDGA

Nasdaq BX