Based on the most recent data from Jun 22, 2026, MKSI's PEG ratio comes in at 1.96. This metric factors in a PE of 86.53 with an earnings growth rate of 44.2%. Relative to the 0.44 average from the past 4 quarters, the PEG ratio has soared by 343%.
Looking at the last ten years, MKSI's PEG ratio has settled around 0.89 on average. At 1.96, today's PEG ratio sits 120% higher than its historical average. Within the last ten years, the Jun 2024 quarter recorded the highest PEG value at 9.28. At 0.01, the Jun 2025 quarter showed the minimum PEG ratio in this period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.65 | 36.4 | 55.7% |
| 2024 | 0.34 | 37.02 | 110.2% |
| 2023 | N/A | N/A | -594.4% |
| 2022 | N/A | 15.21 | -44% |
| 2021 | 0.31 | 17.5 | 56.4% |
| 2020 | 0.16 | 23.66 | 147.5% |
| 2019 | N/A | 42.81 | -64.4% |
| 2018 | 0.58 | 8.95 | 15.3% |
| 2017 | 0.07 | 15.1 | 219.4% |
| 2016 | N/A | 30.31 | -14.8% |
| 2015 | 2.61 | 15.65 | 6% |
| 2014 | 0.08 | 16.87 | 223.9% |
| 2013 | N/A | 44.66 | -26.4% |
| 2012 | N/A | 28.33 | -63.5% |
| 2011 | N/A | 11.17 | -12.6% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 1.07 | 47.29 | 44.2% |
| Dec 2025 | 0.65 | 36.4 | 55.7% |
| Sep 2025 | 0.04 | 29.97 | 778.7% |
| Jun 2025 | 0.01 | 25.15 | 2,721.4% |
| Mar 2025 | 0.21 | 23.78 | 112.6% |
| Dec 2024 | 0.34 | 37.02 | 110.2% |
| Sep 2024 | 2.27 | 231.3 | 101.8% |
| Jun 2024 | 9.28 | 932.71 | 100.5% |
| Mar 2024 | N/A | N/A | -1,166.8% |
| Dec 2023 | N/A | N/A | -594.4% |
| Sep 2023 | N/A | N/A | -434.6% |
| Jun 2023 | N/A | N/A | -362.7% |
| Mar 2023 | N/A | 35.45 | -75.8% |
| Dec 2022 | N/A | 15.21 | -44% |
| Sep 2022 | N/A | 10.72 | -17.5% |
When comparing to historical data, MKSI's PEG ratio is above its 3, 5 and 10-year averages.
With a PEG of 1.96, MKSI stands above the Technology sector, the industry and its peers average. In comparison with its Technology sector average of 0.75, Mks Instruments's PEG is 161% higher.
Among its peers, MKSI has a PEG ratio below stocks AMAT and AME, while higher than LRCX's and ROP's. With a PEG ratio of 1.96, Mks Instruments stands higher than the 1.52 peer average.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| ESE Esco Technologies Inc | 0.18 | $8.85B |
| AEIS Advanced Energy Industries Inc | 0.46 | $13.89B |
| ROP Roper Technologies Inc | 1.36 | $33.23B |
| LRCX Lam Research Corp | 1.47 | $463.62B |
| MKSI Mks Instruments Inc | 1.79 | $25.94B |
| AMAT Applied Materials Inc | 1.85 | $462.88B |
| CGNX Cognex Corp | 3.28 | $10.75B |
| AME Ametek Inc | 4.29 | $54.12B |
| ENTG Entegris Inc | N/A | $25.58B |
| COHU Cohu Inc | N/A | $3.04B |
MKSI's Jun 22, 2026 PEG ratio comes in at 1.96.
MKSI shows a 3-year average PEG ratio of 1.73.
MKSI shows a 5-year average PEG ratio of 1.2.
In the last ten years, MKSI's peak PEG ratio of 9.28 was recorded in the Jun 2024 quarter.
MKSI currently has a PEG ratio 120% above its 10-year average.
Computing the PEG ratio involves dividing the PE ratio by the company's EPS growth rate (YoY TTM). As of Jun 22, 2026, Mks Instruments carries a P/E ratio of 86.53. Earnings grew at 44.2% over the TTM period ending Mar 2026. Applying the formula, this yields a price to earnings growth ratio of 1.96. PEG RATIO(1.96) = PE RATIO(86.53) / EPS GROWTH(44.2%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.