Based on the most recent data from Jun 22, 2026, FAST's PEG ratio comes in at 2.89. This metric factors in a PE of 40.46 with an earnings growth rate of 14.0%. Relative to the 9.05 average from the previous four quarters, the PEG ratio has plunged by 68%.
Looking at the last nine years, FAST's PEG ratio has has been around 5.11 on average. At 2.89, today's PE to growth ratio sits 43% below its historical average. Within the last nine years, the Jun 2025 quarter recorded the highest PEG value at 20.39. At 0.62, the Dec 2018 quarter showed the minimum PEG ratio in this period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 3.65 | 36.48 | 10% |
| 2024 | N/A | 35.96 | -1% |
| 2023 | 4.33 | 32.06 | 7.4% |
| 2022 | 1.57 | 25.17 | 16% |
| 2021 | 4.94 | 39.54 | 8% |
| 2020 | 3.74 | 32.55 | 8.7% |
| 2019 | 5.95 | 26.78 | 4.5% |
| 2018 | 0.62 | 19.81 | 32% |
| 2017 | 1.68 | 27.34 | 16.3% |
| 2016 | N/A | 27.31 | -2.3% |
| 2015 | 4.83 | 23.19 | 4.8% |
| 2014 | 2.7 | 28.31 | 10.5% |
| 2013 | 5.58 | 31.26 | 5.6% |
| 2012 | 1.62 | 32.39 | 20% |
| 2011 | 1.2 | 36.34 | 30.4% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 2.91 | 40.7 | 14% |
| Dec 2025 | 3.65 | 36.48 | 10% |
| Sep 2025 | 9.25 | 46.26 | 5% |
| Jun 2025 | 20.39 | 40.78 | 2% |
| Mar 2025 | N/A | 38.78 | -1% |
| Dec 2024 | N/A | 35.96 | -1% |
| Sep 2024 | 17.68 | 35.36 | 2% |
| Jun 2024 | 10.04 | 31.11 | 3.1% |
| Mar 2024 | 9.31 | 38.19 | 4.1% |
| Dec 2023 | 4.33 | 32.06 | 7.4% |
| Sep 2023 | 6.57 | 27.6 | 4.2% |
| Jun 2023 | 3.91 | 30.1 | 7.7% |
| Mar 2023 | 2.42 | 27.8 | 11.5% |
| Dec 2022 | 1.57 | 25.17 | 16% |
| Sep 2022 | 1.11 | 24.23 | 21.8% |
Measured against past performance, FAST's PEG ratio is below the 3, 5 and 10-year averages.
Fastenal's PEG of 2.89 is above the Industrials sector and the industry average. Compared to its Industrials sector average of 1.13, Fastenal's PEG is 156% higher.
Compared to its peer stock WCC, FAST's PEG ratio sits lower.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| FAST Fastenal Co | 2.87 | $52.59B |
| WCC Wesco International Inc | 3.77 | $17.32B |
| GWW Ww Grainger Inc | N/A | $62.52B |
| MSM Msc Industrial Direct Co Inc | N/A | $6.46B |
FAST shows a PEG ratio of 2.89, per Jun 22, 2026 data.
Over the last 3 years, FAST's PEG ratio has settled near 8.8.
Over the last 5 years, FAST's PEG ratio has settled near 6.27.
The Jun 2025 quarter marked the nine years high at 20.39 for FAST's PEG ratio.
FAST currently has a PEG ratio 43% below its 9-year average.
A 2.89 PEG ratio for FAST suggests the stock is priced at a premium relative to its growth trajectory.
Computing the PEG ratio involves dividing the PE ratio by the company's EPS growth (YoY TTM). As of Jun 22, 2026, Fastenal has a P/E ratio of 40.46. Earnings grew at 14.0% over the TTM period ending Mar 2026. Applying the formula, this produces a price to earnings growth ratio of 2.89. PEG RATIO(2.89) = PE RATIO(40.46) / EPS GROWTH(14.0%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.