As of Aug 25, 2026, FSLR's PE to growth ratio of 0.33 reflects its valuation relative to its growth. This value reflects a P/E ratio of 12.72 measured against EPS growth of 38.5%. When compared to the trailing four-quarter average of 0.8, FSLR's PEG ratio shows a 58% decrease.
First Solar's eight years historical PEG ratio has a mean of 0.54. Compared to historical data, FSLR's 0.33 PEG ratio represents a decrease of 39%. FSLR reached its maximum PEG ratio of 3.2 during the Jun 2025 quarter over the past eight years. The Sep 2020 quarter had the bottom reading at 0, indicating the most optimal growth-adjusted valuation.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 1.01 | 18.33 | 18.1% |
| 2024 | 0.26 | 14.6 | 55.1% |
| 2023 | 0.01 | 22.14 | 1,997.6% |
| 2022 | N/A | N/A | -109.3% |
| 2021 | 1.14 | 19.76 | 17.3% |
| 2020 | 0.06 | 26.31 | 445% |
| 2019 | N/A | N/A | -179% |
| 2018 | 0.16 | 30.76 | 186.8% |
| 2017 | N/A | N/A | 60.7% |
| 2016 | N/A | N/A | -168.9% |
| 2015 | 0.23 | 11.22 | 48.5% |
| 2014 | 1.91 | 11.26 | 5.9% |
| 2013 | 0.03 | 14.61 | 436.9% |
| 2012 | N/A | N/A | -141.3% |
| 2011 | N/A | N/A | -105.9% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jun 2026 | 0.38 | 14.51 | 38.5% |
| Mar 2026 | 0.4 | 12.71 | 31.4% |
| Dec 2025 | 1.01 | 18.33 | 18.1% |
| Sep 2025 | 1.39 | 16.87 | 12.1% |
| Jun 2025 | 3.2 | 14.1 | 4.4% |
| Mar 2025 | 0.46 | 10.71 | 23.1% |
| Dec 2024 | 0.26 | 14.6 | 55.1% |
| Sep 2024 | 0.13 | 21.39 | 162.6% |
| Jun 2024 | 0.03 | 20.04 | 665.3% |
| Mar 2024 | 0.01 | 17.6 | 2,359% |
| Dec 2023 | 0.01 | 22.14 | 1,997.6% |
| Sep 2023 | 0.09 | 36.39 | 404.5% |
| Jun 2023 | N/A | 129.31 | -16.9% |
| Mar 2023 | N/A | 557.69 | -80.8% |
| Dec 2022 | N/A | N/A | -109.3% |
When comparing to historical data, FSLR's PEG ratio is lower than the 3, 5 and 10-year averages.
With a PEG of 0.33, FSLR stands above the industry average but below the Technology sector average. Looking at its Technology sector average of 0.63, First Solar's PEG is 48% lower.
FSLR has a PEG ratio below that of peer stock GE.
FSLR's Aug 25, 2026 PEG ratio comes in at 0.33.
Over the last 3 years, FSLR's PEG ratio has averaged at 0.61.
Over the last 5 years, FSLR's PEG ratio has averaged at 0.62.
In the last eight years, FSLR's peak PEG ratio of 3.2 was recorded in the Jun 2025 quarter.
Currently, FSLR's PEG ratio is 39% lower than its 8-year historical average.
Rapid earnings growth combined with a reasonable valuation yields FSLR a PEG ratio of 0.33.
The PEG ratio comes from taking PE and dividing by the rate at which earnings are growing (YoY TTM). As of Aug 25, 2026, First Solar has a P/E ratio of 12.72. Earnings grew at 38.5% over the TTM period ending Jun 2026. Applying the formula, this gives a price to earnings growth ratio of 0.33. PEG RATIO(0.33) = PE RATIO(12.72) / EPS GROWTH(38.5%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.