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aTyr Pharma, Inc. (ATYR) vs Merck & Co., Inc. (MRK)

The same free fields, in the same order, for both companies, so a figure on one line can be read straight across.

This page states measurements and nothing else. It does not rank the two companies, name one of them, or draw a conclusion from the figures.

Data as of Oct 27, 2026, for both companies.

The figures, field by field

A dash means the snapshot carries no figure for that company on that line. A line is dropped only when neither company has it, so a dash beside a figure is a fact about coverage, not about either company.

ATYR and MRK, field by field, in the same order for both.
ATYRMRK
SectorHealthcareHealthcare
IndustryBiotechnologyDrug Manufacturers - General
Size bandNANOMEGA
ListingNasdaq CMNYSE
CountryUnited StatesUnited States
Themerare-diseaseoncology
Price and returns
Last close$0.15$140.61
Return · 1 week−10.81%−2.10%
Return · 1 month−48.52%−5.43%
Return · 3 months−68.95%+6.67%
Return · year to date−79.79%+33.07%
Return · 1 year−84.23%+62.34%
Distance from the 52-week highThe last close measured against the highest close of the past 52 weeks.−86.18%−10.39%
52-week high$1.11$156.92
52-week low$0.14$82.01
Size and turnover
Market value · USDConverted to US dollars, so two companies listed in different currencies sit under one heading.$15.05M$346.91B
Turnover · median day, USDThe median value traded in a session over the past 50 sessions.$156.66K$1.24B
Employees5873,000
Valuation
Price to earnings · trailingn/a (negative earnings)115.56×
Price to earnings · forwardn/a (negative forward earnings)15.62×
Price to sales127.10×5.40×
Price to book0.50×8.57×
Enterprise value to EBITDAn/a (negative enterprise value and EBITDA)13.82×
Enterprise value to revenuen/a (negative enterprise value)6.00×
PEG ratio—2.59
Earnings per share · trailing-0.621.26
Profitability
Gross margin—72.97%
Operating margin−33609.47%−0.24%
Profit margin—4.77%
Return on equity−98.68%6.96%
Return on assets−46.58%11.87%
Growth
Revenue growth—+5.10%
Balance sheet and payout
Debt / equity (%)23.25128.41
Current ratio5.121.32
Dividend yield0.00%2.38%
Payout ratio—266.67%
Trend and volatility
RSI · 1412.8842.46
ADX · 1466.3716.51
50-day average$0.36$146.74
200-day average$0.62$126.01
Average true range · share of priceAverage true range over 14 sessions, stated as a share of the last close, so it can be read across two share prices.12.01%3.41%
The full analysis

The full ATYR analysis

Everything this table leaves out for aTyr Pharma, Inc.: the plain-language summary and key points, the accumulation read, signal history, full fundamentals, market context, and the case each side of the ATYR argument makes.

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The full analysis

The full MRK analysis

Everything this table leaves out for Merck & Co., Inc.: the plain-language summary and key points, the accumulation read, signal history, full fundamentals, market context, and the case each side of the MRK argument makes.

$9.90 per stock, one time, 30 days of access.

Open the full MRK analysis
ATYR vs MRK: Side by Side Comparison | FullStockData