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ATRA
Atara Biotherapeutics, Inc
stock NASDAQ

Market Open

Nov 11, 2025 1:46:03 PM EST

12.32USD+0.326%(+0.04)49,635

0.00Bid 0.00Ask 0.00Spread

Pre-market

Nov 7, 2025 9:28:30 AM EST

11.08USD-6.844%(-0.81)0

After-hours

0.00USD0.000%(0.00)0

OverviewHistoricalExchange VolumeShortsMore

ATRA Volume Nov 11, 2025 2:34:31 PM EST

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Exchange	Day%	Volume	30D%
Off Exchange¹	69.69	29,847	53.39
Cboe EDGX	11.72	5,019	7.64
Nasdaq GSM	7.19	3,078	21.84
NYSE Arca	4.43	1,897	5.29
MEMX	3.62	1,550	3.35
LTSE	1.53	656	0.04
Cboe BZX	0.70	301	2.79
Nasdaq BX	0.56	240	1.32
IEX	0.54	232	1.27
MIAX Pearl	0.02	7	1.09
NYSE	0.00	0	0.57
NYSE National	0.00	0	0.51
Cboe BYX	0.00	0	0.49
Nasdaq PHLX	0.00	0	0.17
Cboe EDGA	0.00	0	0.14
NYSE American	0.00	0	0.06
CHX	0.00	0	0.03

chartexchange.com

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

ATRA Nutrition Facts

0.70 servings per container

Serving size

61.00K

Calories

42.83K

% Day

% Avg

Off Exchange¹ 30K

69.69%

53.39%

Cboe EDGX 5K

11.72%

7.64%

Nasdaq GSM 3K

7.19%

21.84%

NYSE Arca 2K

4.43%

5.29%

MEMX 2K

3.62%

3.35%

LTSE 656

1.53%

0.04%

Cboe BZX 301

0.70%

2.79%

Nasdaq BX 240

0.56%

1.32%

IEX 232

0.54%

1.27%

MIAX Pearl 7

0.02%

1.09%

NYSE 0

0.00%

0.57%

NYSE National 0

0.00%

0.51%

Cboe BYX 0

0.00%

0.49%

Nasdaq PHLX 0

0.00%

0.17%

Cboe EDGA 0

0.00%

0.14%

NYSE American 0

0.00%

0.06%

CHX 0

0.00%

0.03%

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 29,847, which is 69.69% of today's total volume.
Today's Lit volume is 12,980, which is 30.31%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 53.39%.
The average Lit volume has been 46.61%.

ATRA Volume by Exchange

Off Exchange

Cboe EDGX

Nasdaq GSM

NYSE Arca

MEMX

LTSE

Cboe BZX

Nasdaq BX

IEX

MIAX Pearl

Nasdaq PHLX