Alcoa currently trades with a PE to growth ratio of 0.5, based on Jul 31, 2026 data. Dividing the 9.35 PE ratio by the 18.6% earnings growth rate produces this figure. Relative to the 0.56 average from the past four quarters, the PEG ratio is down by 10%.
Historically, Alcoa has a PEG ratio averaging 0.6 across the last ten years. At 0.5, today's PEG ratio sits 17% less than its historical average. The ten years high came in the Jun 2018 quarter at 5.38, reflecting peak valuation relative to growth. The bottom was reached in the Dec 2025 quarter at 0.01, suggesting attractive value relative to growth during that period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.01 | 12.08 | 1,592.3% |
| 2024 | 1.36 | 145.31 | 107.1% |
| 2023 | N/A | N/A | -436.8% |
| 2022 | N/A | N/A | -129.6% |
| 2021 | 0.07 | 25.9 | 352.7% |
| 2020 | N/A | N/A | 85% |
| 2019 | N/A | N/A | -553% |
| 2018 | N/A | 19.84 | -11.3% |
| 2017 | 0.21 | 35.68 | 168.9% |
| 2016 | N/A | N/A | 53.7% |
| 2015 | N/A | N/A | -237.9% |
| 2014 | N/A | N/A | N/A |
| 2013 | N/A | N/A | N/A |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jun 2026 | 0.58 | 10.77 | 18.6% |
| Mar 2026 | 1.62 | 16.88 | 10.4% |
| Dec 2025 | 0.01 | 12.08 | 1,592.3% |
| Sep 2025 | 0.02 | 7.2 | 361.1% |
| Jun 2025 | 0.03 | 7.23 | 232.5% |
| Mar 2025 | 0.04 | 8.57 | 194.7% |
| Dec 2024 | 1.36 | 145.31 | 107.1% |
| Sep 2024 | N/A | N/A | 64.9% |
| Jun 2024 | N/A | N/A | 62.5% |
| Mar 2024 | N/A | N/A | 19% |
| Dec 2023 | N/A | N/A | -436.8% |
| Sep 2023 | N/A | N/A | -593.1% |
| Jun 2023 | N/A | N/A | -256.6% |
| Mar 2023 | N/A | N/A | -219% |
| Dec 2022 | N/A | N/A | -129.6% |
When comparing to historical data, AA's PEG ratio sits above the 5-year average, but it is lower than the 3-year average.
Alcoa's PEG of 0.5 is higher than the Basic Materials sector and the industry average. Looking at the Basic Materials sector average of 0.24, Alcoa's PEG is 108% higher.
AA reports a PEG ratio higher than that of peer stocks CENX and KALU.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| KALU Kaiser Aluminum Corp | 0.05 | $2.54B |
| CENX Century Aluminum Company | 0.06 | $4.3B |
| AA Alcoa Corp | 0.49 | $11.6B |
According to Jul 31, 2026 figures, AA's PEG ratio stands at 0.5.
Historical data over a 3-year period puts AA's average PEG ratio at 0.52.
Historical data over a 5-year period puts AA's average PEG ratio at 0.35.
AA's PEG ratio topped out at 5.38 during the Jun 2018 quarter - the highest in ten years.
Compared to the 10-year average, AA's PEG ratio stands 17% lower.
Computing the PEG ratio involves dividing the PE ratio by the company's earnings per share growth (YoY TTM). As of Jul 31, 2026, Alcoa has a PE ratio of 9.35. Earnings grew at 18.6% over the TTM period ending Jun 2026. Applying the formula, this gives a PEG ratio of 0.5. PEG RATIO(0.5) = PE RATIO(9.35) / EPS GROWTH(18.6%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.