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CDNA
CareDx, Inc.
stock NASDAQ

At Close

Jul 17, 2026 3:59:41 PM EDT

39.73USD-1.512%(-0.61)1,762,441

34.03Bid 45.82Ask 11.79Spread

Pre-market

Jul 17, 2026 9:28:30 AM EDT

37.90USD-6.049%(-2.44)8,007

After-hours

Jul 17, 2026 4:38:30 PM EDT

40.20USD+1.183%(+0.47)255,893

OverviewOptionsHistoricalDark Pool LevelsShortsMore

CDNA Volume Jul 17, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	43.49	766,835	42.58
Nasdaq GSM	34.09	601,056	38.60
IEX	7.93	139,820	5.01
NYSE Arca	4.59	80,962	4.25
Cboe BZX	3.21	56,556	3.27
Cboe EDGX	2.37	41,760	1.81
NYSE	1.35	23,765	1.05
MEMX	0.64	11,348	0.83
Cboe EDGA	0.49	8,629	0.47
Cboe BYX	0.44	7,806	0.69
LTSE	0.34	5,915	0.11
NYSE National	0.25	4,478	0.31
Nasdaq BX	0.23	4,006	0.43
MIAX Pearl	0.18	3,189	0.21
NYSE American	0.16	2,843	0.14
Nasdaq PHLX	0.15	2,564	0.17
CHX	0.10	1,686	0.07
24X National	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.

CDNA Nutrition Facts

1.69 servings per container

Serving size

1.05M

Calories

1.76M

% Day

% Avg

Off Exchange¹ 767K

43.49%

42.58%

Nasdaq GSM 601K

34.09%

38.60%

IEX 140K

7.93%

5.01%

NYSE Arca 81K

4.59%

4.25%

Cboe BZX 57K

3.21%

3.27%

Cboe EDGX 42K

2.37%

1.81%

NYSE 24K

1.35%

1.05%

MEMX 11K

0.64%

0.83%

Cboe EDGA 9K

0.49%

0.47%

Cboe BYX 8K

0.44%

0.69%

LTSE 6K

0.34%

0.11%

NYSE National 4K

0.25%

0.31%

Nasdaq BX 4K

0.23%

0.43%

MIAX Pearl 3K

0.18%

0.21%

NYSE American 3K

0.16%

0.14%

Nasdaq PHLX 3K

0.15%

0.17%

CHX 2K

0.10%

0.07%

24X National 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

CDNA Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 766,835, which is 43.49% of today's total volume.
Today's Lit volume is 996,383, which is 56.51%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.58%.
The average Lit volume has been 57.42%.

CDNA Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Cboe BYX

LTSE