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KMX
CarMax Inc.
stock NYSE

Market Open

Aug 14, 2026 3:39:05 PM EDT

59.75USD-0.500%(-0.30)831,223

59.73Bid 63.53Ask 3.80Spread

Pre-market

Aug 14, 2026 9:11:30 AM EDT

60.31USD+0.433%(+0.26)268

After-hours

Aug 13, 2026 4:45:30 PM EDT

59.09USD-1.677%(-1.01)0

OverviewOptionsHistoricalExchange VolumeShortsMore

KMX Volume Aug 14, 2026 3:15:02 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	56.50	377,536	43.46
NYSE	12.82	85,682	27.36
Nasdaq GSM	9.56	63,905	9.61
IEX	7.45	49,812	6.04
Cboe BZX	3.71	24,806	3.90
NYSE Arca	3.55	23,719	3.49
Cboe EDGX	2.38	15,905	2.11
MEMX	1.14	7,647	1.03
MIAX Pearl	0.59	3,942	0.27
Cboe EDGA	0.54	3,583	0.84
Nasdaq BX	0.42	2,791	0.49
Cboe BYX	0.38	2,565	0.67
CHX	0.37	2,492	0.08
NYSE American	0.22	1,489	0.12
Nasdaq PHLX	0.18	1,226	0.13
NYSE National	0.17	1,125	0.40
24X National	0.00	0	0.01
Texas Stock Exchange LLC	0.00	0	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.

KMX Nutrition Facts

0.27 servings per container

Serving size

2.51M

Calories

668.23K

% Day

% Avg

Off Exchange¹ 378K

56.50%

43.46%

NYSE 86K

12.82%

27.36%

Nasdaq GSM 64K

9.56%

9.61%

IEX 50K

7.45%

6.04%

Cboe BZX 25K

3.71%

3.90%

NYSE Arca 24K

3.55%

3.49%

Cboe EDGX 16K

2.38%

2.11%

MEMX 8K

1.14%

1.03%

MIAX Pearl 4K

0.59%

0.27%

Cboe EDGA 4K

0.54%

0.84%

Nasdaq BX 3K

0.42%

0.49%

Cboe BYX 3K

0.38%

0.67%

CHX 2K

0.37%

0.08%

NYSE American 1K

0.22%

0.12%

Nasdaq PHLX 1K

0.18%

0.13%

NYSE National 1K

0.17%

0.40%

24X National 0

0.00%

0.01%

Texas Stock Exchange LLC 0

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

KMX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 377,536, which is 56.50% of today's total volume.
Today's Lit volume is 290,689, which is 43.50%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.46%.
The average Lit volume has been 56.54%.

KMX Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

MIAX Pearl

Cboe EDGA

Nasdaq BX