As of Aug 21, 2026, WDC's PEG ratio of 0.04 reflects its valuation relative to its growth rate. This result reflects a P/E ratio of 17.07 measured against EPS growth of 407.0%. When benchmarked against the trailing 4-quarter average of 0.05, WDC's PEG ratio reflects a 24% decrease.
Western Digital's ten years historical PEG ratio averages out to 0.29. Compared to historical data, WDC's 0.04 PEG ratio represents a decrease of 86%. WDC hit its maximum PEG ratio of 1.75 during the Jun 2017 quarter over the last ten years. The Oct 2021 quarter marked the lowest reading at 0, indicating the most attractive growth-adjusted valuation.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2026 | 0.05 | 20.02 | 407% |
| 2025 | 0.04 | 11.92 | 303.4% |
| 2024 | N/A | N/A | 51.4% |
| 2023 | N/A | N/A | -208.3% |
| 2022 | 0.1 | 8.75 | 84.4% |
| 2021 | 0.06 | 26.1 | 420.2% |
| 2020 | N/A | N/A | 67.4% |
| 2019 | N/A | N/A | -213.7% |
| 2018 | 0.53 | 34.1 | 64.5% |
| 2017 | 1.75 | 64.2 | 36.6% |
| 2016 | N/A | 46.01 | -84% |
| 2015 | N/A | 12.82 | -8.3% |
| 2014 | 0.2 | 13.5 | 69% |
| 2013 | N/A | 15.26 | -39.2% |
| 2012 | 0.04 | 4.56 | 113.1% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jul 2026 | 0.05 | 20.02 | 407% |
| Apr 2026 | 0.05 | 15.82 | 301.1% |
| Jan 2026 | 0.08 | 17.3 | 206.5% |
| Oct 2025 | 0.03 | 18.09 | 680.6% |
| Jun 2025 | 0.04 | 11.92 | 303.4% |
| Mar 2025 | 0.05 | 8.74 | 192.4% |
| Dec 2024 | 0.11 | 17.15 | 149.2% |
| Sep 2024 | 0.67 | 74.65 | 112.1% |
| Jun 2024 | N/A | N/A | 51.4% |
| Mar 2024 | N/A | N/A | -147.8% |
| Dec 2023 | N/A | N/A | -5,438.5% |
| Sep 2023 | N/A | N/A | -348.1% |
| Jun 2023 | N/A | N/A | -208.3% |
| Mar 2023 | N/A | N/A | -134.4% |
| Dec 2022 | N/A | N/A | -102% |
When comparing to historical data, WDC's PEG ratio comes in under the 3, 5 and 10-year averages.
Western Digital's PEG of 0.04 is lower than the Technology sector, the industry and its peers average. In comparison with the Technology sector average of 0.65, Western Digital's PEG is 94% lower.
Among its peers, WDC has a PEG ratio below stocks STX and NTAP, while higher than TDC's. At 0.04, Western Digital's PEG ratio sits lower than the peer group average of 1.63.
WDC has a PEG ratio of 0.04, per Aug 21, 2026 data.
WDC's 3-year PEG ratio average comes in at 0.14.
WDC's 5-year PEG ratio average comes in at 0.1.
The Jun 2017 quarter marked the ten years high at 1.75 for WDC's PEG ratio.
At present, WDC's PEG ratio runs 86% lower than its 10-year historical average.
At 0.04, WDC's PEG ratio suggests the stock may be undervalued given its growth rate.
PEG equals PE divided by EPS growth rate (YoY TTM). As of Aug 21, 2026, Western Digital carries a PE ratio of 17.07. Earnings grew at 407.0% over the TTM period ending Jul 2026. Applying the formula, this yields a PEG ratio of 0.04. PEG RATIO(0.04) = PE RATIO(17.07) / EPS GROWTH(407.0%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.