As of Aug 21, 2026, PLXS's PEG ratio of 2.27 reflects its valuation relative to its growth rate. This result reflects a P/E ratio of 34.7 measured against EPS growth of 15.3%. When compared to the trailing 4-quarter average of 1.09, PLXS's PEG ratio reflects a 108% increase.
Plexus's ten years historical PEG ratio has a mean of 1.71. Compared to historical data, PLXS's 2.27 PEG ratio represents an increase of 33%. PLXS hit its maximum PEG ratio of 11.53 during the Sep 2023 quarter over the last ten years. The Dec 2018 quarter marked the lowest reading at 0.01, indicating the most favorable growth-adjusted valuation.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.4 | 22.42 | 56.6% |
| 2024 | N/A | 33.44 | -19% |
| 2023 | 11.53 | 18.45 | 1.6% |
| 2022 | 8.4 | 17.65 | 2.1% |
| 2021 | 0.9 | 18.74 | 20.9% |
| 2020 | 1.47 | 17.65 | 12% |
| 2019 | 0.02 | 17.43 | 797.5% |
| 2018 | N/A | 146.28 | -88% |
| 2017 | 0.37 | 16.84 | 45.4% |
| 2016 | N/A | 20.43 | -18.5% |
| 2015 | 1.52 | 13.52 | 8.9% |
| 2014 | 1.95 | 14.65 | 7.5% |
| 2013 | 0.44 | 15.38 | 34.8% |
| 2012 | N/A | 17.02 | -23.9% |
| 2011 | 2.15 | 9.67 | 4.5% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jul 2026 | 2.6 | 39.76 | 15.3% |
| Apr 2026 | 0.9 | 29.71 | 33% |
| Jan 2026 | 0.47 | 23.21 | 49.1% |
| Sep 2025 | 0.4 | 22.42 | 56.6% |
| Jun 2025 | 0.46 | 22.59 | 48.9% |
| Mar 2025 | 0.57 | 24.34 | 42.7% |
| Dec 2024 | N/A | 35.86 | -3.7% |
| Sep 2024 | N/A | 33.44 | -19% |
| Jun 2024 | N/A | 25.6 | -25.4% |
| Mar 2024 | N/A | 25.77 | -40.5% |
| Dec 2023 | N/A | 23.66 | -19.3% |
| Sep 2023 | 11.53 | 18.45 | 1.6% |
| Jul 2023 | 0.74 | 18.19 | 24.7% |
| Apr 2023 | 0.28 | 15.79 | 56.5% |
| Dec 2022 | 0.66 | 18.19 | 27.5% |
PLXS's PEG ratio today sits above the 10-year average, but it is lower than the 3 and 5-year averages.
With a PEG of 2.27, PLXS stands higher than the Technology sector, the industry and its peers average. Looking at the Technology sector average of 0.65, Plexus's PEG is 249% higher.
Compared to its peers, PLXS has a PEG ratio lower than stock FLEX, while greater than CLS's and JBL's. At 2.27, Plexus's PEG ratio is higher than the peer group average of 1.35.
PLXS's Aug 21, 2026 PEG ratio comes in at 2.27.
Historical data over a 3-year period puts PLXS's average PEG ratio at 2.42.
Historical data over a 5-year period puts PLXS's average PEG ratio at 2.45.
In the last ten years, PLXS's peak PEG ratio of 11.53 occurred in the Sep 2023 quarter.
At present, PLXS's PEG ratio is 33% higher than its 10-year historical average.
The elevated PEG ratio of 2.27 indicates that PLXS may be priced above its earnings growth potential.
Computing the PEG ratio involves dividing the PE ratio by the company's earnings per share growth (YoY TTM). As of Aug 21, 2026, Plexus has a PE ratio of 34.7. Earnings grew at 15.3% over the TTM period ending Jul 2026. Applying the formula, this gives a PEG ratio of 2.27. PEG RATIO(2.27) = PE RATIO(34.7) / EPS GROWTH(15.3%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.