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ATRA
Atara Biotherapeutics, Inc
stock NASDAQ

Market Open

Nov 11, 2025 12:14:25 PM EST

12.52USD+1.914%(+0.24)30,658

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 12:14:25 PM EST

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	81.70	24,310	53.48
Nasdaq GSM	8.95	2,663	21.98
Cboe EDGX	3.14	934	7.46
LTSE	2.20	656	0.04
NYSE Arca	1.13	337	5.24
Cboe BZX	0.98	291	2.81
Nasdaq BX	0.81	240	1.33
IEX	0.78	232	1.28
MEMX	0.29	85	3.29
MIAX Pearl	0.02	7	1.10
NYSE	0.00	0	0.57
NYSE National	0.00	0	0.52
Cboe BYX	0.00	0	0.50
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	0.04

chartexchange.com

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

ATRA Nutrition Facts

0.49 servings per container

Serving size

61.00K

Calories

29.76K

% Day

% Avg

Off Exchange¹ 24K

81.70%

53.48%

Nasdaq GSM 3K

8.95%

21.98%

Cboe EDGX 934

3.14%

7.46%

LTSE 656

2.20%

0.04%

NYSE Arca 337

1.13%

5.24%

Cboe BZX 291

0.98%

2.81%

Nasdaq BX 240

0.81%

1.33%

IEX 232

0.78%

1.28%

MEMX 85

0.29%

3.29%

MIAX Pearl 7

0.02%

1.10%

NYSE 0

0.00%

0.57%

NYSE National 0

0.00%

0.52%

Cboe BYX 0

0.00%

0.50%

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%

0.04%

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 24,310, which is 81.70% of today's total volume.
Today's Lit volume is 5,445, which is 18.30%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 53.48%.
The average Lit volume has been 46.52%.

ATRA Volume by Exchange

Off Exchange

Nasdaq GSM

Cboe EDGX

LTSE

NYSE Arca

Cboe BZX

Nasdaq BX

IEX

MEMX

MIAX Pearl

Nasdaq PHLX