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Enphase EnergyXSWX:ENPH -1.82%73 Shiller PE Ratio is 34.68 as of Aug. 31, 2026, which is 77% below its 10-year median of 149.45. GuruFocus rates XSWX:ENPH with a GF Score™ of 73/100 and a GF Value™ of CHF43.97. The stock has 6 warning signs investors should review. Among 542 Semiconductors companies, Enphase Energy ranks better than 57.56% on this metric.
As of today (2026-08-31), Enphase Energy's current share price is CHF30.52. Enphase Energy's E10 for the quarter that ended in Jun. 2026 was CHF0.88. Enphase Energy's Shiller PE Ratio for today is 34.68.
The historical rank and industry rank for Enphase Energy's Shiller PE Ratio or its related term are showing as below:
XSWX:ENPH'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 30.88 Med: 149.45 Max: 3733.33
Current: 33.77
During the past years, Enphase Energy's highest Shiller PE Ratio was 3733.33. The lowest was 30.88. And the median was 149.45.
XSWX:ENPH's Shiller PE Ratio is ranked better than 57.56% of 542
companies
in the Semiconductors industry
Industry Median: 42.095
vs XSWX:ENPH: 33.77
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Enphase Energy's adjusted earnings per share data for the three months ended in Jun. 2026 was CHF0.216. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is CHF0.88 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Enphase Energy (XSWX:ENPH) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Enphase Energy Shiller PE Ratio Related Terms
Enphase Energy Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Enphase Energy's Shiller PE Ratio 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.
XSWX:ENPH vs RUN, SEDG, SHLS: Shiller PE Ratio Comparison
For the Solar subindustry, Enphase Energy's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio 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.
Enphase Energy Shiller PE Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Enphase Energy's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Enphase Energy's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
Enphase Energy's Shiller PE Ratio for today 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.
Enphase Energy's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Enphase Energy's adjusted earnings per share data for the three months ended in Jun. 2026 was:
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
Enphase Energy (XSWX:ENPH) has a Shiller PE Ratio of 34.68 as of Aug. 31, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Enphase Energy and its competitors. This is 77% below median its historical median of 149.45. Over the past decade, Enphase Energy's Shiller PE Ratio has ranged from 30.88 to 3,733.33. According to the industry distribution chart, Enphase Energy ranks #230 out of 542 companies in the Semiconductors industry, placing it in the top 42.4%.
Is Enphase Energy's Shiller PE Ratio too high?
Enphase Energy's current Shiller PE Ratio of 34.68 is 77% below median its 10-year median of 149.45. Over the past 10 years, this metric has ranged from a low of 30.88 to a high of 3,733.33. The Semiconductors industry median Shiller PE Ratio is 42.10. Enphase Energy's value of 34.68 is 17.6% below this industry median. Based on the distribution chart, Enphase Energy ranks #230 out of 542 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Enphase Energy has a GF Score™ of 73/100, reflecting its overall financial health beyond just this single metric.
How does Enphase Energy's Shiller PE Ratio compare to RUN and SEDG?
According to the Semiconductors industry distribution chart, Enphase Energy ranks #230 out of 542 companies for Shiller PE Ratio. This puts Enphase Energy in the upper half of its industry. The industry median Shiller PE Ratio is 42.10. Enphase Energy's value of 34.68 is 17.6% below this benchmark. Historically, Enphase Energy's own Shiller PE Ratio has ranged from 30.88 to 3,733.33 over the past decade. While the company's 10-year median is 149.45 vs. the industry median of 42.10, Enphase Energy has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shiller PE Ratio for a Semiconductors company?
The median Shiller PE Ratio among Semiconductors companies is 42.10, based on 542 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Enphase Energy's current Shiller PE Ratio of 34.68 is 17.6% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Enphase Energy and its competitors. For the Semiconductors industry, the median Shiller PE Ratio is 42.10 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Enphase Energy's current Shiller PE Ratio is 34.68, which is 77% below median its own 10-year median of 149.45. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Enphase Energy stock overvalued right now?
Enphase Energy (XSWX:ENPH) has a current Shiller PE Ratio of 34.68. The stock's GF Value™ is CHF43.97, compared to a current price of CHF30.52 — trading 30.6% below its estimated fair value. The current Shiller PE Ratio is 34.68, which is 77% below median its 10-year median of 149.45 and 17.6% below the Semiconductors industry median of 42.10. Enphase Energy's overall GF Score™ is 73/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Enphase Energy (XSWX:ENPH), the current Shiller PE Ratio is 34.68 as of Aug. 31, 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 Enphase Energy (XSWX:ENPH) Overvalued in 2026?
Based on GuruFocus' analysis, Enphase Energy stock appears to be undervalued.
The current stock price of CHF30.52 is trading 30.6% below its estimated GF Value™ of CHF43.97.
Key valuation signals for XSWX:ENPH:
Shiller PE Ratio: 34.68 (77% below median its 10-year median of 149.45)
GF Value™: CHF43.97 vs. price of CHF30.52 (30.6% below fair value)
Industry Position: 17.6% below the Semiconductors median (#230 of 542)
No single metric tells the full story. See the XSWX:ENPH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Enphase Energy is a global energy technology company. It delivers smart, easy-to-use solutions that manage solar generation, storage, and communication on one platform. The company's microinverter technology primarily serves the rooftop solar market and produces a fully integrated solar-plus-storage solution. Enphase derives a majority of revenue from the United States.
73GF Score
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