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ATYR
aTyr Pharma, Inc. Common Stock
stock NASDAQ

At Close

Oct 2, 2026 3:59:53 PM EDT

0.2900USD-2.890%(-0.0085)1,966,695

0.2500Bid 0.3300Ask 0.0900Spread

Pre-market

Oct 2, 2026 9:27:30 AM EDT

0.2885USD-1.904%(-0.0056)18,446

After-hours

Oct 2, 2026 4:31:30 PM EDT

0.2860USD+0.140%(0.0000)4,090

OverviewOptionsHistoricalExchange VolumeShortsTrends

ATYR Volume Oct 2, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	65.51	1,293,719	53.90
Nasdaq GSM	15.80	312,001	8.69
NYSE Arca	7.60	150,180	21.99
Cboe EDGX	3.46	68,375	4.16
MEMX	2.64	52,133	4.78
Cboe EDGA	1.56	30,771	1.60
Cboe BZX	1.31	25,876	1.61
IEX	1.00	19,733	0.38
MIAX Pearl	0.30	5,845	2.29
NYSE	0.30	5,832	0.15
NYSE American	0.17	3,271	0.02
Cboe BYX	0.14	2,762	0.12
Texas Stock Exchange LLC	0.13	2,540	0.15
Nasdaq BX	0.07	1,400	0.09
NYSE National	0.02	400	0.02
Nasdaq PHLX	0.01	100	0.04
24X National	0.00	0	0.01
LTSE	0.00	0	0.00
CHX	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.

ATYR Nutrition Facts

0.35 servings per container

Serving size

5.69M

Calories

1.97M

% Day

% Avg

Off Exchange¹ 1M

65.51%

53.90%

Nasdaq GSM 312K

15.80%

8.69%

NYSE Arca 150K

7.60%

21.99%

Cboe EDGX 68K

3.46%

4.16%

MEMX 52K

2.64%

4.78%

Cboe EDGA 31K

1.56%

1.60%

Cboe BZX 26K

1.31%

1.61%

IEX 20K

1.00%

0.38%

MIAX Pearl 6K

0.30%

2.29%

NYSE 6K

0.30%

0.15%

NYSE American 3K

0.17%

0.02%

Cboe BYX 3K

0.14%

0.12%

Texas Stock Exchange LLC 3K

0.13%

0.15%

Nasdaq BX 1K

0.07%

0.09%

NYSE National 400

0.02%

Nasdaq PHLX 100

0.01%

0.04%

24X National 0

0.00%

0.01%

LTSE 0

0.00%

CHX 0

0.00%

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 1,293,719, which is 65.51% of today's total volume.
Today's Lit volume is 681,219, which is 34.49%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 53.90%.
The average Lit volume has been 46.10%.

ATYR Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

MEMX

Cboe EDGA

Cboe BZX

IEX

MIAX Pearl

NYSE

NYSE American