Based on the most recent data from Jun 22, 2026, GLW's PEG ratio comes in at 0.33. This metric factors in a PE of 99.45 with an earnings growth rate of 305.8%. Relative to the 0.29 average from the previous four quarters, the PEG ratio has grown by 13%.
Looking at the last ten years, GLW's PEG ratio has has been around 0.25 on average. At 0.33, today's PE to growth ratio sits 32% above its historical average. Within the last ten years, the Dec 2022 quarter recorded the highest PEG value at 1.02. At 0.01, the Mar 2017 quarter showed the minimum PEG ratio in this period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.22 | 46.82 | 216.9% |
| 2024 | N/A | 80.54 | -14.5% |
| 2023 | N/A | 44.13 | -55.8% |
| 2022 | 1.02 | 20.47 | 20% |
| 2021 | 0.2 | 28.64 | 140.7% |
| 2020 | N/A | 66.67 | -51.4% |
| 2019 | N/A | 26.23 | -6.7% |
| 2018 | 0.09 | 25.39 | 280.3% |
| 2017 | N/A | N/A | -118.7% |
| 2016 | 0.03 | 6.88 | 246.1% |
| 2015 | N/A | 17.92 | -44% |
| 2014 | 0.36 | 12.6 | 34.8% |
| 2013 | 0.58 | 13.2 | 22.7% |
| 2012 | N/A | 11.47 | -38.9% |
| 2011 | N/A | 7.21 | -21.1% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 0.21 | 64.44 | 305.8% |
| Dec 2025 | 0.22 | 46.82 | 216.9% |
| Sep 2025 | 0.07 | 51.59 | 736.8% |
| Jun 2025 | 0.67 | 55.36 | 82.7% |
| Mar 2025 | N/A | 88.04 | -28.8% |
| Dec 2024 | N/A | 80.54 | -14.5% |
| Sep 2024 | N/A | 237.63 | -72.5% |
| Jun 2024 | N/A | 74.71 | -30.7% |
| Mar 2024 | N/A | 45.15 | -33% |
| Dec 2023 | N/A | 44.13 | -55.8% |
| Sep 2023 | N/A | 44.16 | -68.5% |
| Jun 2023 | N/A | 46.72 | -68.5% |
| Mar 2023 | N/A | 32.37 | -15.5% |
| Dec 2022 | 1.02 | 20.47 | 20% |
| Sep 2022 | 0.12 | 13.25 | 106.6% |
GLW's PEG ratio today is higher than its 5 and 10-year averages.
Corning's PEG of 0.33 is below the Technology sector, the industry and its peers average. Compared to its Technology sector average of 0.75, Corning's PEG is 56% lower.
Compared to its peers, GLW has a PEG ratio under stocks TMO and PPG, while above TEL's and VISN's. At 0.33, Corning's PEG ratio stands lower than the peer group average of 0.49.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| VISN Vistance Networks Inc. | 0 | $2.83B |
| TEL TE Connectivity Ltd | 0.18 | $60.22B |
| GLW Corning Inc | 0.3 | $164.47B |
| PPG Ppg Industries Inc | 0.34 | $26.45B |
| OCC Optical Cable Corp | 1.29 | $179.72M |
| TMO Thermo Fisher Scientific Inc | 3.86 | $172.59B |
| CLFD Clearfield Inc | N/A | $515.04M |
| MMM 3M Co | N/A | $84.59B |
| OC Owens Corning | N/A | $10.09B |
Based on Jun 22, 2026 data, GLW carries a PEG ratio of 0.33.
Historical data over a 5-year period places GLW's average PEG ratio at 0.28.
GLW's PEG ratio peaked at 1.02 during the Dec 2022 quarter - the highest in ten years.
GLW currently has a PEG ratio 32% above its 10-year average.
The 0.33 PEG ratio for GLW reflects strong earnings growth outpacing the current valuation.
PEG equals PE divided by EPS growth (YoY TTM). As of Jun 22, 2026, Corning has a P/E ratio of 99.45. Earnings grew at 305.8% over the TTM period ending Mar 2026. Applying the formula, this produces a price to earnings growth ratio of 0.33. PEG RATIO(0.33) = PE RATIO(99.45) / EPS GROWTH(305.8%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.