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KMX
CarMax Inc.
stock NYSE

Market Open

Aug 14, 2026 2:54:13 PM EDT

59.62USD-0.716%(-0.43)620,229

59.62Bid 59.66Ask 0.04Spread

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 2:35:00 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	56.46	322,900	43.44
NYSE	12.84	73,458	27.38
Nasdaq GSM	9.69	55,439	9.61
IEX	7.30	41,776	6.04
NYSE Arca	3.60	20,612	3.49
Cboe BZX	3.54	20,229	3.89
Cboe EDGX	2.51	14,356	2.11
MEMX	1.12	6,377	1.03
Cboe EDGA	0.60	3,439	0.85
Nasdaq BX	0.44	2,532	0.49
CHX	0.44	2,492	0.08
Cboe BYX	0.43	2,480	0.67
MIAX Pearl	0.39	2,203	0.27
NYSE American	0.24	1,389	0.12
Nasdaq PHLX	0.20	1,169	0.13
NYSE National	0.18	1,049	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

0.23 servings per container

Serving size

2.51M

Calories

571.90K

% Day

% Avg

Off Exchange¹ 323K

56.46%

43.44%

NYSE 73K

12.84%

27.38%

Nasdaq GSM 55K

9.69%

9.61%

IEX 42K

7.30%

6.04%

NYSE Arca 21K

3.60%

3.49%

Cboe BZX 20K

3.54%

3.89%

Cboe EDGX 14K

2.51%

2.11%

MEMX 6K

1.12%

1.03%

Cboe EDGA 3K

0.60%

0.85%

Nasdaq BX 3K

0.44%

0.49%

CHX 2K

0.44%

0.08%

Cboe BYX 2K

0.43%

0.67%

MIAX Pearl 2K

0.39%

0.27%

NYSE American 1K

0.24%

0.12%

Nasdaq PHLX 1K

0.20%

0.13%

NYSE National 1K

0.18%

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 322,900, which is 56.46% of today's total volume.
Today's Lit volume is 249,000, which is 43.54%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.44%.
The average Lit volume has been 56.56%.

KMX Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

Cboe EDGA

Nasdaq BX

CHX