CLYYF (Celyad Oncology) Debt-to-Equity: 0.00 (As of Dec. 2025)

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CLYYF Celyad Oncology SA CLYYF
28 GF Score
Price $0.20
GF Value $0.15
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Celyad Oncology Debt-to-Equity?

Celyad Oncology CLYYF -20.00% 28 Debt-to-Equity is 0.00 as of Dec. 2025. GuruFocus rates CLYYF with a GF Score™ of 28/100 and a GF Value™ of $0.15 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 967 Biotechnology companies, Celyad Oncology ranks worse than 65.67% on this metric.

Celyad Oncology's Short-Term Debt & Capital Lease Obligation for the quarter that ended in Dec. 2025 was $0.00 Mil. Celyad Oncology's Long-Term Debt & Capital Lease Obligation for the quarter that ended in Dec. 2025 was $0.00 Mil. Celyad Oncology's Total Stockholders Equity for the quarter that ended in Dec. 2025 was $2.85 Mil. Celyad Oncology's debt to equity for the quarter that ended in Dec. 2025 was 0.00.

A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.

The historical rank and industry rank for Celyad Oncology's Debt-to-Equity or its related term are showing as below:

CLYYF' s Debt-to-Equity Range Over the Past 10 Years
Min: 0.02   Med: 0.06   Max: 1.77
Current: 0.34

During the past 13 years, the highest Debt-to-Equity Ratio of Celyad Oncology was 1.77. The lowest was 0.02. And the median was 0.06.

CLYYF's Debt-to-Equity is ranked worse than
65.67% of 967 companies
in the Biotechnology industry
Industry Median: 0.16 vs CLYYF: 0.34

Celyad Oncology  (OTCPK:CLYYF) Debt-to-Equity Explanation

In the calculation of Debt to Equity, we use the total of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation divided by Total Stockholders Equity. In some calculations, Total Liabilities is used to for calculation.


Be Aware

Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.


Celyad Oncology Debt-to-Equity Related Terms


Celyad Oncology Debt-to-Equity Historical Data

* Premium members only.

The historical data trend for Celyad Oncology's Debt-to-Equity can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Celyad Oncology Debt-to-Equity Chart

Celyad Oncology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Debt-to-Equity
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.06 0.06 0.17 1.77 0.00

Celyad Oncology Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Debt-to-Equity Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.17 0.30 1.77 -0.27 0.00

CLYYF vs VRTX, REGN, ALNY: Debt-to-Equity Comparison

For the Biotechnology subindustry, Celyad Oncology's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Celyad Oncology Debt-to-Equity vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Celyad Oncology's Debt-to-Equity distribution charts can be found below:

* The bar in red indicates where Celyad Oncology's Debt-to-Equity falls into.


CLYYF
28GF Score
Celyad Oncology SA CLYYF
Debt-to-Equity is just one metric. See GF Score™, valuation, warning signs, and more.
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Celyad Oncology Debt-to-Equity Calculation

Debt to Equity measures the financial leverage a company has.

Celyad Oncology's Debt to Equity Ratio for the fiscal year that ended in Dec. 2025 is calculated as

Celyad Oncology's Debt to Equity Ratio for the quarter that ended in Dec. 2025 is calculated as

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Debt-to-Equity →
What does a Debt-to-Equity of 0.00 mean?
Celyad Oncology (CLYYF) has a Debt-to-Equity of 0.00 as of Dec. 2025. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Celyad Oncology and its competitors. Over the past decade, Celyad Oncology's Debt-to-Equity has ranged from 0.02 to 1.77. According to the industry distribution chart, Celyad Oncology ranks #635 out of 967 companies in the Biotechnology industry, placing it in the top 65.7%.
Is Celyad Oncology's Debt-to-Equity too high?
Celyad Oncology's current Debt-to-Equity is 0.00. Over the past 10 years, this metric has ranged from a low of 0.02 to a high of 1.77. Based on the distribution chart, Celyad Oncology ranks #635 out of 967 companies in the Biotechnology industry, which is below the industry midpoint. Overall, Celyad Oncology has a GF Score™ of 28/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Celyad Oncology's Debt-to-Equity compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Celyad Oncology ranks #635 out of 967 companies for Debt-to-Equity. This places Celyad Oncology in the lower half of its industry. The industry median Debt-to-Equity is 0.16. Historically, Celyad Oncology's own Debt-to-Equity has ranged from 0.02 to 1.77 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for a Biotechnology company?
The median Debt-to-Equity among Biotechnology companies is 0.16, based on 967 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Celyad Oncology and its competitors. For the Biotechnology industry, the median Debt-to-Equity is 0.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Celyad Oncology's current Debt-to-Equity is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Celyad Oncology stock overvalued right now?
Based on GuruFocus' analysis, Celyad Oncology (CLYYF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.15, compared to a current price of $0.20 — trading 33.3% above its estimated fair value. The current Debt-to-Equity is 0.00. Celyad Oncology's overall GF Score™ is 28/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For Celyad Oncology (CLYYF), the current Debt-to-Equity is 0.00 as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Celyad Oncology (CLYYF) Overvalued in 2026?

Based on GuruFocus' analysis, Celyad Oncology stock appears to be overvalued. The current stock price of $0.20 is trading 33.3% above its estimated GF Value™ of $0.15. GuruFocus considers Celyad Oncology to be Significantly Overvalued.

Key valuation signals for CLYYF:

  • Debt-to-Equity: 0.00
  • GF Value™: $0.15 vs. price of $0.20 (33.3% above fair value)
  • GF Score™: 28/100 with 6 warning signs

No single metric tells the full story. See the CLYYF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Celyad Oncology Business Description

Address Rue Edouard Belin 2, Axis Business Park, Brabant Wallon, Mont-Saint-Guibert, BEL, 1435
Celyad Oncology SA is a biopharmaceutical company focused on the discovery and development of technologies for chimeric antigen receptor T-cell (CAR T) therapies. The company focuses on solid tumors and hematological malignancies. The firm has CYAD-01 and CYAD-02 programs in the pipeline. The company owns trademarks and service marks, including CELYAD, C-CATH, C_CURE, CAR-T Cell, THINK, CYAD01 - Deplethink, CYAD02 - Cycle1, CwalityCAR, CYAD-101, and new engagers. The firm has Cardiology and Immuno-oncology operating segments. It generates the majority of its revenue from the Cardiology segment.
28GF Score

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Debt-to-Equity is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.20
Price
$0.15
GF Value