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KMX
CarMax Inc.
stock NYSE

Market Open

Apr 17, 2026 11:25:37 AM EDT

41.57USD+2.667%(+1.08)1,253,956

41.54Bid 41.60Ask 0.06Spread

Pre-market

Apr 17, 2026 9:13:30 AM EDT

40.95USD+1.136%(+0.46)2,339

After-hours

Apr 16, 2026 4:47:30 PM EDT

40.13USD-0.857%(-0.35)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

KMX Volume Apr 17, 2026 11:05:02 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.57	517,872	40.59
Nasdaq GSM	16.71	181,883	12.36
NYSE	10.36	112,786	28.09
IEX	5.71	62,178	5.11
Cboe EDGX	5.37	58,517	2.65
Cboe BZX	5.19	56,487	3.98
NYSE Arca	4.50	49,009	3.64
MEMX	3.17	34,495	1.38
MIAX Pearl	0.41	4,493	0.28
Cboe EDGA	0.35	3,857	0.52
Cboe BYX	0.25	2,698	0.46
Nasdaq BX	0.21	2,252	0.38
NYSE National	0.09	932	0.23
Nasdaq PHLX	0.08	910	0.16
24X National	0.02	214	0.01
CHX	0.01	118	0.05
NYSE American	0.00	40	0.10
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

0.30 servings per container

Serving size

3.69M

Calories

1.09M

% Day

% Avg

Off Exchange¹ 518K

47.57%

40.59%

Nasdaq GSM 182K

16.71%

12.36%

NYSE 113K

10.36%

28.09%

IEX 62K

5.71%

5.11%

Cboe EDGX 59K

5.37%

2.65%

Cboe BZX 56K

5.19%

3.98%

NYSE Arca 49K

4.50%

3.64%

MEMX 34K

3.17%

1.38%

MIAX Pearl 4K

0.41%

0.28%

Cboe EDGA 4K

0.35%

0.52%

Cboe BYX 3K

0.25%

0.46%

Nasdaq BX 2K

0.21%

0.38%

NYSE National 932

0.09%

0.23%

Nasdaq PHLX 910

0.08%

0.16%

24X National 214

0.02%

0.01%

CHX 118

0.01%

0.05%

NYSE American 40

0.00%

0.10%

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 517,872, which is 47.57% of today's total volume.
Today's Lit volume is 570,869, which is 52.43%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.59%.
The average Lit volume has been 59.41%.

KMX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

IEX

Cboe EDGX

Cboe BZX

NYSE Arca

MEMX

MIAX Pearl

Cboe EDGA

Cboe BYX