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Zai LabZLAB +1.49%64 3-Year Book Growth Rate is -15.90% as of Mar. 2026. GuruFocus rates ZLAB with a GF Score™ of 64/100 and a GF Value™ of $30.20 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 1,136 Biotechnology companies, Zai Lab ranks worse than 58.45% on this metric.
During the past 12 months, Zai Lab's average Book Value per Share Growth Rate was -20.30% per year.
During the past 3 years, the average Book Value per Share Growth Rate was -15.90% per year.
During the past 5 years, the average Book Value per Share Growth Rate was -15.10% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
During the past 11 years, the highest 3-Year average Book Value per Share Growth Rate of Zai Lab was -15.00% per year. The lowest was -36.80% per year. And the median was -24.55% per year.
Zai Lab (NAS:ZLAB) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Zai Lab 3-Year Book Growth Rate Related Terms
ZLAB vs STOK, ADMA, VRDN: 3-Year Book Growth Rate Comparison
For the Biotechnology subindustry, Zai Lab's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.
Zai Lab 3-Year Book Growth Rate vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Zai Lab's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Zai Lab's 3-Year Book Growth Rate falls into.
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of -15.90% mean?
Zai Lab (ZLAB) has a 3-Year Book Growth Rate of -15.90% as of Mar. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Zai Lab and its competitors. According to the industry distribution chart, Zai Lab ranks #664 out of 1136 companies in the Biotechnology industry, placing it in the top 58.5%.
Is Zai Lab's 3-Year Book Growth Rate too high?
Zai Lab's current 3-Year Book Growth Rate is -15.90%. Based on the distribution chart, Zai Lab ranks #664 out of 1136 companies in the Biotechnology industry, which is below the industry midpoint. 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 3-Year Book Growth Rate compare to STOK and ADMA?
According to the Biotechnology industry distribution chart, Zai Lab ranks #664 out of 1136 companies for 3-Year Book Growth Rate. This places Zai Lab in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a Biotechnology company?
A good 3-Year Book Growth Rate depends on the Biotechnology industry context. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Zai Lab and its competitors. Zai Lab's current 3-Year Book Growth Rate is -15.90%. 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 $30.20, compared to a current price of $20.77 — trading 31.2% below its estimated fair value. The current 3-Year Book Growth Rate is -15.90%. 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 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Zai Lab (ZLAB), the current 3-Year Book Growth Rate is -15.90% 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 $20.77 is trading 31.2% below its estimated GF Value™ of $30.20.
GuruFocus considers Zai Lab to be Possible Value Trap.
Key valuation signals for ZLAB:
3-Year Book Growth Rate: -15.90%
GF Value™: $30.20 vs. price of $20.77 (31.2% below fair value)
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 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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