ZLAB (Zai Lab) YoY EPS Growth: -25.00% (As of Mar. 2026)


ZLAB Zai Lab Ltd ZLAB
64 GF Score
Price $19.79
GF Value $30.22
Valuation Possible Value Trap
! 7 Warning Signs
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What is Zai Lab YoY EPS Growth?

Zai Lab ZLAB -3.42% 64 YoY EPS Growth is -25.00% as of Mar. 2026. GuruFocus rates ZLAB with a GF Score™ of 64/100 and a GF Value™ of $30.22 (Possible Value Trap). The stock has 7 warning signs investors should review.

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months. Zai Lab's YoY EPS Growth for the quarter that ended in Mar. 2026 was -25.00%.

Zai Lab's Earnings per Share (Diluted) for the three months ended in Mar. 2026 was $-0.50.

Zai Lab YoY EPS Growth Historical Data

* Premium members only.

The historical data trend for Zai Lab's YoY EPS Growth 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.

Zai Lab YoY EPS Growth Chart

Zai Lab Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
YoY EPS Growth
Get a 7-Day Free Trial Premium Member Only Premium Member Only -117.14 39.47 23.91 25.71 38.46

Zai Lab Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
YoY EPS Growth 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 20.00 50.00 25.00 37.50 -25.00
ZLAB
64GF Score
Zai Lab Ltd ZLAB
YoY EPS Growth is just one metric. See GF Score™, valuation, warning signs, and more.
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Zai Lab YoY EPS Growth Calculation

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months.

Zai Lab's YoY EPS Growth for the fiscal year that ended in Dec. 2025 is calculated as:

YoY EPS Growth (A: Dec. 2025 )
=(Earnings per Share (Diluted) (A: Dec. 2025 )-Earnings per Share (Diluted) (A: Dec. 2024 ))/ | Earnings per Share (Diluted) (A: Dec. 2024 ) |
=(-1.6--2.6)/ | -2.6 |
=38.46 %

Zai Lab's YoY EPS Growth for the quarter that ended in Mar. 2026 is calculated as:

YoY EPS Growth (Q: Mar. 2026 )
=(Earnings per Share (Diluted) (Q: Mar. 2026 )-Earnings per Share (Diluted) (Q: Mar. 2025 )) / | Earnings per Share (Diluted) (Q: Mar. 2025 )) |
=(-0.5--0.4)/ | -0.4 |
=-25.00 %

* 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 YoY EPS Growth →
What does a YoY EPS Growth of -25.00% mean?
Zai Lab (ZLAB) has a YoY EPS Growth of -25.00% as of Mar. 2026. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for Zai Lab and its competitors.
Is Zai Lab's YoY EPS Growth too high?
Zai Lab's current YoY EPS Growth is -25.00%. Overall, Zai Lab has a GF Score™ of 64/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Zai Lab's YoY EPS Growth compare to STOK and ADMA?
Zai Lab's YoY EPS Growth of -25.00% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good YoY EPS Growth for a Biotechnology company?
A good YoY EPS Growth depends on the Biotechnology industry context. However, YoY EPS Growth 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 YoY EPS Growth mean?
A high YoY EPS Growth can signal that a stock is expensive relative to its fundamentals. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for Zai Lab and its competitors. Zai Lab's current YoY EPS Growth is -25.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zai Lab stock overvalued right now?
Based on GuruFocus' analysis, Zai Lab (ZLAB) is currently considered Possible Value Trap. The stock's GF Value™ is $30.22, compared to a current price of $19.79 — trading 34.5% below its estimated fair value. The current YoY EPS Growth is -25.00%. Zai Lab's overall GF Score™ is 64/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is YoY EPS Growth calculated?
YoY EPS Growth is calculated from a company's financial statements. For Zai Lab (ZLAB), the current YoY EPS Growth is -25.00% as of Mar. 2026. 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 Zai Lab (ZLAB) Overvalued in 2026?

Based on GuruFocus' analysis, Zai Lab stock appears to be undervalued. The current stock price of $19.79 is trading 34.5% below its estimated GF Value™ of $30.22. GuruFocus considers Zai Lab to be Possible Value Trap.

Key valuation signals for ZLAB:

  • YoY EPS Growth: -25.00%
  • GF Value™: $30.22 vs. price of $19.79 (34.5% below fair value)
  • GF Score™: 64/100 with 7 warning signs

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

Zai Lab Business Description

Other Exchanges 09688:Hong Kong1ZLB:Germany
Address 899 Halei Road, Building B, Pudong, Shanghai, CHN, 201203
Zai Lab Ltd is a biopharmaceutical company focusing on discovering or licensing, developing, and commercializing proprietary therapeutics that address areas of unmet medical need including in the fields of oncology, autoimmune and infectious diseases. Zai Lab has a diverse pipeline of potentially first-in-class product candidates developed through in-house R&D and global partnerships. The company has successfully commercialized several products in China, including Zejula, Optune, Qinlock, and Nuzyra, with plans for further expansion The pipeline of proprietary drug candidates of the company includes ZL-1222, ZL-1311, ZL-6201 and many others.
64GF Score

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YoY EPS Growth is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$19.79
Price
$30.22
GF Value