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aTyr Pharma, Inc. (ATYR)

Healthcare | Biotechnology | San Diego, United States | NasdaqCM
0.54 USD -0.01 (-2.633%) ⇩ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 0.57 +0.02 (4.630%) ⇧ (Aug. 28, 2026, 7:54 p.m. EDT)

Short-term:★☆☆☆☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | Aug. 22, 2026, 1:06 a.m. EDT

The investment case for aTyr Pharma is currently broken by a perfect storm of deteriorating fundamentals and overwhelming speculative fear. The company is hemorrhaging cash, with operating cash flow of -$54.5 million and free cash flow of -$31.7 million, while posting significant losses. The balance sheet is fragile, with debt-to-equity exceeding 23x and negative returns on both assets and equity. Although the stock recently rallied 186% year-over-year, this appears to be a speculative bubble fueled by hope rather than sustainable business growth, especially given the massive workforce reduction of 60% and the looming FDA feedback on their critical Phase 3 sarcoidosis study. The short-term outlook is perilous. The options chain screams caution, with heavy put positioning at strikes far above the current price, indicating that traders expect a sharp correction if the upcoming data is not flawless. The statistical forecast model also leans slightly negative, though with low confidence, which aligns with the broader risk profile. There is no dividend to provide a floor, and the lack of consistent profitability makes the high P/S ratio of nearly 259x a dangerous valuation metric. Investors should view this as a high-risk speculative vehicle where the probability of capital preservation is low.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoARIMA ✓0.078885
AutoETS0.078929
MSTL0.094424
AutoTheta0.211603

Forecast horizon: 45 days | Selected: AutoARIMA

Forecast Reliability
Score 33%
H-stat 0.13
Ljung-Box p 0.000
Jarque-Bera p 0.172
Excess Kurtosis -0.25
Attribute Value
Sector Healthcare
Debt to Equity Ratio 23.252
Revenue per Share 0.002
Market Cap 52,967,212
Forward P/E -1.16
Beta 0.52
Website https://atyrpharma.com

As of Aug. 22, 2026, 1:06 a.m. EDT: Speculators are positioning aggressively for a downside event, evidenced by massive open interest in out-of-the-money puts at strikes like $2.00 and $2.50 relative to the current price. Call activity is sparse and concentrated near the money, while put volume significantly exceeds call volume at key resistance levels. This asymmetry suggests a 'bear put spread' strategy or hedging against a potential failure of the upcoming Phase 3 trial data.


Info Dump

Attribute Value
52 Week Change -0.90176994
Address1 10,240 Sorrento Valley Road
Address2 Suite 300
All Time High 396.06
All Time Low 0.395
Ask 0.6996
Ask Size 2
Audit Risk 7
Average Daily Volume10 Day 581,430
Average Daily Volume3 Month 1,484,470
Average Volume 1,484,470
Average Volume10Days 581,430
Beta 0.518
Bid 0.392
Bid Size 2
Board Risk 5
Book Value 0.497
City San Diego
Compensation As Of Epoch Date 1,767,139,200
Compensation Risk 8
Country United States
Crypto Tradeable 0
Currency USD
Current Price 0.54
Current Ratio 5.121
Custom Price Alert Confidence HIGH
Date Short Interest 1,786,665,600
Day High 0.565
Day Low 0.53
Debt To Equity 23.252
Display Name aTyr Pharma
Earnings Call Timestamp End 1,741,899,600
Earnings Call Timestamp Start 1,741,899,600
Earnings Timestamp 1,786,132,800
Earnings Timestamp End 1,793,908,800
Earnings Timestamp Start 1,793,908,800
Ebitda -63,197,000
Ebitda Margins 0.0
Enterprise To Ebitda -0.105
Enterprise To Revenue 35.022
Enterprise Value 6,654,209
Eps Current Year -0.40857
Eps Forward -0.46375
Eps Trailing Twelve Months -0.61
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fax 858 731 8394
Fifty Day Average 0.52808
Fifty Day Average Change 0.011920035
Fifty Day Average Change Percent 0.022572404
Fifty Two Week Change Percent -90.176994
Fifty Two Week High 6.5
Fifty Two Week High Change -5.96
Fifty Two Week High Change Percent -0.9169231
Fifty Two Week Low 0.395
Fifty Two Week Low Change 0.14500001
Fifty Two Week Low Change Percent 0.36708862
Fifty Two Week Range 0.395 - 6.5
Financial Currency USD
First Trade Date Milliseconds 1,431,005,400,000
Float Shares 95,546,961
Forward Eps -0.46375
Forward P E -1.1644205
Free Cashflow -31,708,250
Full Exchange Name NasdaqCM
Full Time Employees 58
Fullday Change -0.0146
Fullday Change Percent -2.63252
Fullday Price 0.565
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,785,542,400
Gross Margins 0.0
Gross Profits -59,947,000
Has Pre Post Market Data 1
Held Percent Insiders 0.024500001
Held Percent Institutions 0.39844
Implied Shares Outstanding 98,087,425
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,561,939,200
Last Split Factor 1:14
Long Business Summary aTyr Pharma, Inc., a clinical stage biotechnology company, engages in the discovery and development of product candidates that translate tRNA synthetase biology into new therapies for fibrosis and inflammation in the United States. Its lead therapeutic candidate efzofitimod, a selective modulator of NRP2 that is in Phase 3 clinical trial for the treatment of pulmonary sarcoidosis; Phase 2 clinical trial to treat Sarcoidosis and systemic sclerosis- interstitial lung disease (ILDs); and treatment of other ILDs, such as chronic hypersensitivity pneumonitis (CHP) and connective tissue disease related ILD. The company is developing ATYR0101, a fusion protein derived from a domain of aspartyl-tRNA synthetase, which is in preclinical development for the treatment of fibrosis; and ATYR0750, a domain of alanyl-tRNA synthetase for the treatment of liver disorders. It has collaboration and license agreement with Kyorin Pharmaceutical Co., Ltd. for the development and commercialization of efzofitimod for ILDs in Japan. aTyr Pharma, Inc. was incorporated in 2005 and is headquartered in San Diego, California.
Long Name aTyr Pharma, Inc.
Market us_market
Market Cap 52,967,212
Market State CLOSED
Max Age 86,400
Message Board Id finmb_33940575
Most Recent Quarter 1,782,777,600
Net Income To Common -60,807,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 54,315,911
Number Of Analyst Opinions 7
Open 0.56
Operating Cashflow -54,540,000
Operating Margins -336.09473
Overall Risk 7
Payout Ratio 0.0
Phone 858 731 8389
Post Market Change 0.024999976
Post Market Change Percent 4.629625
Post Market Price 0.565
Post Market Time 1,787,961,294
Previous Close 0.5546
Price Eps Current Year -1.321683
Price Hint 4
Price To Book 1.0865191
Price To Sales Trailing12 Months 278.7748
Profit Margins 0.0
Quick Ratio 5.076
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change -0.0146
Regular Market Change Percent -2.63252
Regular Market Day High 0.565
Regular Market Day Low 0.53
Regular Market Day Range 0.53 - 0.565
Regular Market Open 0.56
Regular Market Previous Close 0.5546
Regular Market Price 0.54
Regular Market Time 1,787,947,201
Regular Market Volume 256,890
Return On Assets -0.46582
Return On Equity -0.98680997
Revenue Per Share 0.002
Sand P52 Week Change 0.20504117
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 8
Shares Outstanding 98,087,425
Shares Percent Shares Out 0.0963
Shares Short 9,441,402
Shares Short Previous Month Date 1,784,073,600
Shares Short Prior Month 8,277,406
Short Name aTyr Pharma, Inc.
Short Percent Of Float 0.1109
Short Ratio 9.5
Source Interval 15
State CA
Symbol ATYR
Target High Price 7.0
Target Low Price 1.0
Target Mean Price 2.85714
Target Median Price 3.0
Total Cash 57,418,000
Total Cash Per Share 0.585
Total Debt 11,299,000
Total Revenue 190,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.61
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 0.70291
Two Hundred Day Average Change -0.16290998
Two Hundred Day Average Change Percent -0.23176506
Type Disp Equity
Volume 256,890
Website https://atyrpharma.com
Zip 92,121