Corning (XSWX:GLW) 3-Year Book Growth Rate: -1.90% (As of Jun. 2026)

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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

XSWX:GLW Corning Inc XSWX:GLW
72 GF Score
Price CHF116.30
GF Value CHF52.03
! 2 Warning Signs
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What is Corning 3-Year Book Growth Rate?

Corning XSWX:GLW -3.28% 72 3-Year Book Growth Rate is -1.90% as of Jun. 2026. GuruFocus rates XSWX:GLW with a GF Score™ of 72/100 and a GF Value™ of CHF52.03. The stock has 2 warning signs investors should review. Among 2,385 Hardware companies, Corning ranks worse than 69.94% on this metric.

Corning's Book Value per Share for the quarter that ended in Jun. 2026 was CHF11.08.

During the past 12 months, Corning's average Book Value per Share Growth Rate was 6.70% per year. During the past 3 years, the average Book Value per Share Growth Rate was -1.90% per year. During the past 5 years, the average Book Value per Share Growth Rate was -2.20% per year. During the past 10 years, the average Book Value per Share Growth Rate was -1.70% 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 13 years, the highest 3-Year average Book Value per Share Growth Rate of Corning was 85.50% per year. The lowest was -29.60% per year. And the median was 1.60% per year.


Corning  (XSWX:GLW) 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.


Corning 3-Year Book Growth Rate Related Terms


XSWX:GLW vs APH, TEL, FLEX: 3-Year Book Growth Rate Comparison

For the Electronic Components subindustry, Corning'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.


Corning 3-Year Book Growth Rate vs Hardware Industry

For the Hardware industry and Technology sector, Corning's 3-Year Book Growth Rate distribution charts can be found below:

* The bar in red indicates where Corning's 3-Year Book Growth Rate falls into.


XSWX:GLW
72GF Score
Corning Inc XSWX:GLW
3-Year Book Growth Rate is just one metric. See GF Score™, valuation, warning signs, and more.
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Corning 3-Year Book Growth Rate Calculation

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 -1.90% mean?
Corning (XSWX:GLW) has a 3-Year Book Growth Rate of -1.90% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Corning and its competitors. According to the industry distribution chart, Corning ranks #1668 out of 2385 companies in the Hardware industry, placing it in the top 69.9%.
Is Corning's 3-Year Book Growth Rate too high?
Corning's current 3-Year Book Growth Rate is -1.90%. Based on the distribution chart, Corning ranks #1668 out of 2385 companies in the Hardware industry, which is below the industry midpoint. Overall, Corning has a GF Score™ of 72/100, reflecting its overall financial health beyond just this single metric.
How does Corning's 3-Year Book Growth Rate compare to APH and TEL?
According to the Hardware industry distribution chart, Corning ranks #1668 out of 2385 companies for 3-Year Book Growth Rate. This places Corning in the lower half of its industry. The industry median 3-Year Book Growth Rate is 3.60. 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 Hardware company?
The median 3-Year Book Growth Rate among Hardware companies is 3.60, based on 2,385 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. 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 Corning and its competitors. For the Hardware industry, the median 3-Year Book Growth Rate is 3.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Corning's current 3-Year Book Growth Rate is -1.90%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Corning stock overvalued right now?
Corning (XSWX:GLW) has a current 3-Year Book Growth Rate of -1.90%. The stock's GF Value™ is CHF52.03, compared to a current price of CHF116.30 — trading 123.5% above its estimated fair value. The current 3-Year Book Growth Rate is -1.90%. Corning's overall GF Score™ is 72/100 with 2 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 Corning (XSWX:GLW), the current 3-Year Book Growth Rate is -1.90% as of Jun. 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 Corning (XSWX:GLW) Overvalued in 2026?

Based on GuruFocus' analysis, Corning stock appears to be overvalued. The current stock price of CHF116.30 is trading 123.5% above its estimated GF Value™ of CHF52.03.

Key valuation signals for XSWX:GLW:

  • 3-Year Book Growth Rate: -1.90%
  • GF Value™: CHF52.03 vs. price of CHF116.30 (123.5% above fair value)
  • GF Score™: 72/100 with 2 warning signs

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


Corning Business Description

Address One Riverfront Plaza, Corning, NY, USA, 14831
Corning is a provider of glass, ceramics, and optical fiber across six distinct end markets. Corning's largest segments by revenue are display glass for TVs and optical fiber for telecom networks and data centers. It also provides cover glass for smartphones as well as filters and substrates and glass for cars, produces pharmaceutical glass, and produces polysilicon for solar panels. Corning is a US producer and is vertically integrated across its products and markets.
72GF Score

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3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF116.30
Price
CHF52.03
GF Value