Based on the most recent data from Nov 11, 2026, LH's PEG ratio comes in at 1.54. This metric factors in a PE of 30.34 with an earnings growth rate of 19.7%. Relative to the 1.01 average from the previous four quarters, the PEG ratio has soared by 53%.
Looking at the last ten years, LH's PEG ratio has has been around 0.68 on average. At 1.54, today's PEG ratio sits 126% above its historical average. Within the last ten years, the Sep 2017 quarter recorded the highest PEG value at 3.39. At 0.01, the Mar 2021 quarter showed the minimum PEG ratio in this period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 1.28 | 23.8 | 18.6% |
| 2024 | 0.3 | 25.8 | 85.2% |
| 2023 | N/A | 47.35 | -65.8% |
| 2022 | N/A | 16.76 | -42.9% |
| 2021 | 0.24 | 12.77 | 53.8% |
| 2020 | 0.14 | 12.73 | 89.9% |
| 2019 | N/A | 20.09 | -3.3% |
| 2018 | N/A | 14.51 | -27.4% |
| 2017 | 0.18 | 13.3 | 72.8% |
| 2016 | 0.33 | 18.5 | 56.7% |
| 2015 | N/A | 27.91 | -26.5% |
| 2014 | N/A | 17.89 | -5.2% |
| 2013 | 3.27 | 14.37 | 4.4% |
| 2012 | 0.83 | 14.22 | 17.1% |
| 2011 | N/A | 16.53 | -4.1% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Sep 2026 | 1.27 | 25.11 | 19.7% |
| Jun 2026 | 0.69 | 23.01 | 33.3% |
| Mar 2026 | 0.78 | 23.49 | 30.3% |
| Dec 2025 | 1.28 | 23.8 | 18.6% |
| Sep 2025 | 0.3 | 28.01 | 93% |
| Jun 2025 | 0.42 | 28.75 | 68.8% |
| Mar 2025 | 0.38 | 26.69 | 71% |
| Dec 2024 | 0.3 | 25.8 | 85.2% |
| Sep 2024 | N/A | 42.09 | -30.3% |
| Jun 2024 | N/A | 37.62 | -42.5% |
| Mar 2024 | N/A | 42.84 | -54.3% |
| Dec 2023 | N/A | 47.35 | -65.8% |
| Sep 2023 | N/A | 26.38 | -59.6% |
| Jun 2023 | N/A | 25.65 | -55.3% |
| Mar 2023 | N/A | 20.54 | -49.2% |
Measured against past performance, LH's PEG ratio is higher than its 3, 5 and 10-year averages.
Laboratory Corp Of America Holdings's PEG of 1.54 is above the Healthcare sector and the industry average. Compared to its Healthcare sector average of 0.62, Laboratory Corp Of America Holdings's PEG is 148% higher.
Compared to its peers, LH has a PEG ratio under stock IDXX, while above DGX's.
Based on Nov 11, 2026 data, LH carries a PEG ratio of 1.54.
Historical data over a 3-year period places LH's average PEG ratio at 0.68.
Historical data over a 5-year period places LH's average PEG ratio at 0.63.
In the last ten years, LH's peak PEG ratio of 3.39 was recorded in the Sep 2017 quarter.
LH currently has a PEG ratio 126% above its 10-year average.
To calculate the PEG ratio, take the company's PE ratio and divide by its EPS growth (YoY TTM). As of Nov 11, 2026, Laboratory Corp Of America Holdings has a P/E ratio of 30.34. Earnings grew at 19.7% over the TTM period ending Sep 2026. Applying the formula, this produces a price to earnings growth ratio of 1.54. PEG RATIO(1.54) = PE RATIO(30.34) / EPS GROWTH(19.7%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.