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ATYR
aTyr Pharma, Inc. Common Stock
stock NASDAQ

Market Open

May 20, 2026 1:15:12 PM EDT

0.5400USD+11.863%(+0.0570)1,938,395

0.4600Bid 0.5500Ask 0.0900Spread

Pre-market

May 20, 2026 9:13:30 AM EDT

0.4949USD+2.464%(+0.0119)99,849

After-hours

May 19, 2026 4:47:30 PM EDT

0.4820USD-1.552%(-0.0080)0

OverviewOptionsHistoricalDark Pool LevelsShortsTrends

ATYR Volume May 20, 2026 12:54:56 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	64.63	1,204,603	63.54
Nasdaq GSM	16.42	306,076	15.64
NYSE Arca	8.11	151,174	8.04
Cboe EDGX	3.46	64,460	2.80
IEX	1.84	34,222	1.59
MEMX	1.63	30,307	2.42
Cboe BZX	1.34	25,042	1.57
MIAX Pearl	1.20	22,318	0.79
NYSE	0.67	12,467	0.46
Cboe EDGA	0.51	9,424	1.83
Cboe BYX	0.06	1,089	0.54
CHX	0.04	700	0.01
Nasdaq BX	0.03	580	0.21
NYSE National	0.03	543	0.30
NYSE American	0.03	500	0.08
24X National	0.01	201	0.02
Nasdaq PHLX	0.00	50	0.14
LTSE	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.

ATYR Nutrition Facts

0.74 servings per container

Serving size

2.53M

Calories

1.86M

% Day

% Avg

Off Exchange¹ 1M

64.63%

63.54%

Nasdaq GSM 306K

16.42%

15.64%

NYSE Arca 151K

8.11%

8.04%

Cboe EDGX 64K

3.46%

2.80%

IEX 34K

1.84%

1.59%

MEMX 30K

1.63%

2.42%

Cboe BZX 25K

1.34%

1.57%

MIAX Pearl 22K

1.20%

0.79%

NYSE 12K

0.67%

0.46%

Cboe EDGA 9K

0.51%

1.83%

Cboe BYX 1K

0.06%

0.54%

CHX 700

0.04%

0.01%

Nasdaq BX 580

0.03%

0.21%

NYSE National 543

0.03%

0.30%

NYSE American 500

0.03%

0.08%

24X National 201

0.01%

0.02%

Nasdaq PHLX 50

0.00%

0.14%

LTSE 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

ATYR Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,204,603, which is 64.63% of today's total volume.
Today's Lit volume is 659,153, which is 35.37%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 63.54%.
The average Lit volume has been 36.46%.

ATYR Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

IEX

MEMX

Cboe BZX

MIAX Pearl

NYSE

Cboe EDGA

Cboe BYX