Amkor Technology, Inc. (AMKR) stock
AMKRNasdaqSemiconductors & Related DevicesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 27, 2026Score 17/3045% below fair value
$36.11−1.01 (-2.72%)
Close on Nov 13, 2026Market cap $8.95BP/E 14.6Yield 0.92%
Amkor Technology operating margin
Operating margin is operating income as a percentage of revenue.
Amkor Technology's operating margin for the twelve months ending Sep 30, 2026 was 9.5%. For fiscal 2025 it was 7.0%, against 6.9% the year before. The highest annual figure on record is 12.7% in fiscal 2010.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 7.0% | +0.0 |
| FY2024 | Dec 31, 2024 | 6.9% | −0.3 |
| FY2023 | Dec 31, 2023 | 7.2% | −5.4 |
| FY2022 | Dec 31, 2022 | 12.7% | +0.2 |
| FY2021 | Dec 31, 2021 | 12.4% | +3.4 |
| FY2020 | Dec 31, 2020 | 9.1% | +3.3 |
| FY2019 | Dec 31, 2019 | 5.8% | −0.2 |
| FY2018 | Dec 31, 2018 | 6.0% | −3.7 |
| FY2017 | Dec 31, 2017 | 9.6% | +1.8 |
| FY2016 | Dec 31, 2016 | 7.9% | +2.1 |
| FY2015 | Dec 31, 2015 | 5.7% | −1.4 |
| FY2014 | Dec 31, 2014 | 7.1% | −0.8 |
| FY2013 | Dec 31, 2013 | 7.9% | +2.3 |
| FY2012 | Dec 31, 2012 | 5.5% | −1.4 |
| FY2011 | Dec 31, 2011 | 7.0% | −5.7 |
| FY2010 | Dec 31, 2010 | 12.7% | +2.4 |
| FY2009 | Dec 31, 2009 | 10.3% | +25.7 |
| FY2008 | Dec 31, 2008 | -15.3% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 11.3% | +3.3 |
| Q2 FY2026 | Jun 30, 2026 | 10.5% | +4.4 |
| Q1 FY2026 | Mar 31, 2026 | 6.0% | +3.6 |
| Q4 FY2025 | Dec 31, 2025 | 9.8% | +1.5 |
| Q3 FY2025 | Sep 30, 2025 | 8.0% | −0.0 |
| Q2 FY2025 | Jun 30, 2025 | 6.1% | +0.5 |
| Q1 FY2025 | Mar 31, 2025 | 2.4% | −3.0 |
| Q4 FY2024 | Dec 31, 2024 | 8.3% | −0.8 |
| Q3 FY2024 | Sep 30, 2024 | 8.0% | −1.1 |
| Q2 FY2024 | Jun 30, 2024 | 5.6% | +0.3 |
| Q1 FY2024 | Mar 31, 2024 | 5.4% | +0.7 |
| Q4 FY2023 | Dec 31, 2023 | 9.1% | −2.8 |
| Q3 FY2023 | Sep 30, 2023 | 9.1% | −6.2 |
| Q2 FY2023 | Jun 30, 2023 | 5.2% | −4.3 |
| Q1 FY2023 | Mar 31, 2023 | 4.7% | −8.5 |
| Q4 FY2022 | Dec 31, 2022 | 11.8% | −2.8 |
| Q3 FY2022 | Sep 30, 2022 | 15.3% | +2.7 |
| Q2 FY2022 | Jun 30, 2022 | 9.5% | −1.5 |
| Q1 FY2022 | Mar 31, 2022 | 13.2% | +2.3 |
| Q4 FY2021 | Dec 31, 2021 | 14.6% | +3.0 |
| Q3 FY2021 | Sep 30, 2021 | 12.6% | +3.2 |
| Q2 FY2021 | Jun 30, 2021 | 11.0% | +3.7 |
| Q1 FY2021 | Mar 31, 2021 | 10.9% | +3.6 |
| Q4 FY2020 | Dec 31, 2020 | 11.6% | +1.6 |
| Q3 FY2020 | Sep 30, 2020 | 9.4% | +2.1 |
| Q2 FY2020 | Jun 30, 2020 | 7.4% | +4.9 |
| Q1 FY2020 | Mar 31, 2020 | 7.3% | +5.8 |
| Q4 FY2019 | Dec 31, 2019 | 10.0% | +3.1 |
| Q3 FY2019 | Sep 30, 2019 | 7.3% | −0.8 |
| Q2 FY2019 | Jun 30, 2019 | 2.5% | −2.5 |
| Q1 FY2019 | Mar 31, 2019 | 1.5% | −2.0 |
| Q4 FY2018 | Dec 31, 2018 | 7.0% | −2.5 |
| Q3 FY2018 | Sep 30, 2018 | 8.1% | −1.1 |
| Q2 FY2018 | Jun 30, 2018 | 5.1% | −12.1 |
| Q1 FY2018 | Mar 31, 2018 | 3.5% | +1.5 |
| Q4 FY2017 | Dec 31, 2017 | 9.5% | −2.9 |
| Q3 FY2017 | Sep 30, 2017 | 9.2% | – |
| Q2 FY2017 | Jun 30, 2017 | 17.1% | – |
| Q1 FY2017 | Mar 31, 2017 | 2.0% | – |
| Q4 FY2016 | Dec 31, 2016 | 12.4% | – |
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