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ATRA
Atara Biotherapeutics, Inc
stock NASDAQ

Market Open

Jul 9, 2026 1:50:48 PM EDT

9.94USD+3.005%(+0.29)30,785

8.44Bid 10.00Ask 1.56Spread

Pre-market

0.00USD-100.000%(-9.65)0

After-hours

Jul 8, 2026 4:00:30 PM EDT

9.65USD+1.047%(+0.10)0

OverviewHistoricalExchange VolumeShortsMore

ATRA Volume Jul 9, 2026 1:34:21 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	51.17	15,603	41.28
Nasdaq GSM	21.40	6,524	33.57
NYSE Arca	10.08	3,075	7.96
Cboe BYX	4.71	1,436	1.66
IEX	4.57	1,392	2.75
Cboe EDGX	3.91	1,191	5.15
NYSE	1.48	450	1.15
MEMX	1.25	381	1.94
Cboe BZX	0.71	216	2.89
Nasdaq BX	0.38	116	0.75
Nasdaq PHLX	0.28	84	0.08
NYSE National	0.04	11	0.20
MIAX Pearl	0.03	10	0.17
LTSE	0.01	2	0.04
Cboe EDGA	0.00	0	0.37
NYSE American	0.00	0	0.04
CHX	0.00	0	0.01

chartexchange.com

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

ATRA Nutrition Facts

0.33 servings per container

Serving size

93.32K

Calories

30.49K

% Day

% Avg

Off Exchange¹ 16K

51.17%

41.28%

Nasdaq GSM 7K

21.40%

33.57%

NYSE Arca 3K

10.08%

7.96%

Cboe BYX 1K

4.71%

1.66%

IEX 1K

4.57%

2.75%

Cboe EDGX 1K

3.91%

5.15%

NYSE 450

1.48%

1.15%

MEMX 381

1.25%

1.94%

Cboe BZX 216

0.71%

2.89%

Nasdaq BX 116

0.38%

0.75%

Nasdaq PHLX 84

0.28%

0.08%

NYSE National 11

0.04%

0.20%

MIAX Pearl 10

0.03%

0.17%

LTSE 2

0.01%

0.04%

Cboe EDGA 0

0.00%

0.37%

NYSE American 0

0.00%

0.04%

CHX 0

0.00%

0.01%

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

chartexchange.com

ATRA Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 15,603, which is 51.17% of today's total volume.
Today's Lit volume is 14,888, which is 48.83%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 41.28%.
The average Lit volume has been 58.72%.

ATRA Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BYX

IEX

Cboe EDGX

NYSE

MEMX

Cboe BZX

Nasdaq BX

Nasdaq PHLX