Dark

ORLY
O'Reilly Automotive, Inc.
stock NASDAQ

At Close

Sep 18, 2026 3:59:54 PM EDT

84.68USD-0.241%(-0.21)18,011,043

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 18, 2026 9:29:30 AM EDT

84.78USD-0.130%(-0.11)13,339

After-hours

Sep 18, 2026 4:13:30 PM EDT

84.71USD+0.030%(+0.03)607,834

OverviewOptionsHistoricalExchange VolumeShortsMore

ORLY Volume Sep 18, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	66.87	6,066,483	43.41
Nasdaq GSM	22.70	2,059,547	39.24
NYSE Arca	3.34	302,988	5.31
IEX	2.79	252,800	4.31
Cboe BZX	1.38	125,330	2.52
Cboe EDGX	0.95	86,509	1.50
NYSE	0.68	62,105	1.22
MEMX	0.31	28,122	0.60
Cboe BYX	0.24	22,185	0.33
Cboe EDGA	0.23	20,757	0.45
Nasdaq BX	0.09	8,226	0.14
CHX	0.09	7,768	0.43
MIAX Pearl	0.08	7,297	0.17
Nasdaq PHLX	0.08	7,269	0.12
NYSE American	0.08	7,053	0.12
NYSE National	0.04	4,049	0.08
Texas Stock Exchange LLC	0.04	3,378	0.02
24X National	0.00	100	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.

ORLY Nutrition Facts

1.65 servings per container

Serving size

5.49M

Calories

9.07M

% Day

% Avg

Off Exchange¹ 6M

66.87%

43.41%

Nasdaq GSM 2M

22.70%

39.24%

NYSE Arca 303K

3.34%

5.31%

IEX 253K

2.79%

4.31%

Cboe BZX 125K

1.38%

2.52%

Cboe EDGX 87K

0.95%

1.50%

NYSE 62K

0.68%

1.22%

MEMX 28K

0.31%

0.60%

Cboe BYX 22K

0.24%

0.33%

Cboe EDGA 21K

0.23%

0.45%

Nasdaq BX 8K

0.09%

0.14%

CHX 8K

0.09%

0.43%

MIAX Pearl 7K

0.08%

0.17%

Nasdaq PHLX 7K

0.08%

0.12%

NYSE American 7K

0.08%

0.12%

NYSE National 4K

0.04%

0.08%

Texas Stock Exchange LLC 3K

0.04%

0.02%

24X National 100

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

ORLY Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 6,066,483, which is 66.87% of today's total volume.
Today's Lit volume is 3,005,483, which is 33.13%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.41%.
The average Lit volume has been 56.59%.

ORLY Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe BYX

Cboe EDGA

Nasdaq BX