United Microelectronics (UMC) Operating Margin (2009 - 2026)
United Microelectronics (UMC) recorded Operating Margin of 25.11% in the quarter ended Sep 30, 2026, up 6.31 percentage points from 18.80% a year earlier and up 3.36 percentage points from the prior quarter.
United Microelectronics (UMC) Operating Margin (2009 - 2026) Analysis & Trends
On a TTM basis, United Microelectronics' Operating Margin came in at 12.81% as of Sep 30, 2026, down 5.70 percentage points year-over-year; for the year ended Dec 31, 2025, it came in at 18.50%, down 3.72 percentage points from the prior year.
- Annual Operating Margin has declined for three straight years, though with a five-year change of +6.10 percentage points (years ended Dec 2020 to Dec 2025).
- Across earlier years, Operating Margin came in at 22.22% in the year ended Dec 31, 2024 (-3.80 pp), 26.01% in the year ended Dec 31, 2023 (-11.41 pp), 37.42% in the year ended Dec 31, 2022 (+13.16 pp) and 24.26% in the year ended Dec 31, 2021 (+11.86 pp).
- The figure for the quarter ended Sep 30, 2026 is the highest quarterly Operating Margin since the quarter ended Sep 30, 2023.
- On a year-over-year basis, Operating Margin rose in two of the last eight quarters, with an average year-over-year change of -2.55 percentage points.
- Peak year-over-year performance for Operating Margin in the last five years was a gain of 6.31 percentage points in the quarter ended Sep 30, 2026, against a drop of 1899.49 percentage points in the quarter ended Mar 31, 2022 at the low end.
- Per Business Quant, the preceding three quarters came in at 21.75% (quarter ended Jun 30, 2026), 4.68% (quarter ended Mar 31, 2026) and 19.78% (quarter ended Dec 31, 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | SK hynix | 24,980.27 Bn | 24,964.04 Bn | 43.99 Bn | 76.33% |
| 2 | Taiwan Semiconductor Manufacturing | 10,337.48 Bn | 9,919.73 Bn | 31.04 Bn | 58.65% |
| 3 | Nvidia | 3,939.34 Bn | 3,713.50 Bn | 72.14 Bn | 66.24% |
| 4 | Broadcom | 1,653.85 Bn | 1,579.89 Bn | 20.46 Bn | 53.92% |
| 5 | Micron Technology | 880.27 Bn | 785.91 Bn | 47.05 Bn | 80.68% |
| 6 | Advanced Micro Devices | 875.86 Bn | 824.07 Bn | 7.21 Bn | 21.17% |
| 7 | Asml Holding | 576.26 Bn | 531.95 Bn | 5.90 Bn | - |
| 8 | Intel | 316.79 Bn | 179.50 Bn | 7.10 Bn | 15.27% |
| 9 | Applied Materials | 294.03 Bn | 294.03 Bn | 5.25 Bn | - |
| 10 | United Microelectronics | 38.77 Bn | 23.14 Bn | 788.24 Mn | 25.11% |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 25.11% |
| Jun 30, 2026 | 21.75% |
| Mar 31, 2026 | 4.68% |
| Dec 31, 2025 | 19.78% |
| Sep 30, 2025 | 18.80% |
| Jun 30, 2025 | 18.41% |
| Mar 31, 2025 | 16.91% |
| Dec 31, 2024 | 19.80% |
| Sep 30, 2024 | 23.31% |
| Jun 30, 2024 | 24.46% |
| Mar 31, 2024 | 21.35% |
| Dec 31, 2023 | 22.61% |
| Sep 30, 2023 | 26.83% |
| Jun 30, 2023 | 27.84% |
| Mar 31, 2023 | 26.71% |
| Dec 31, 2022 | 34.84% |
| Sep 30, 2022 | 40.00% |
| Jun 30, 2022 | 39.09% |
| Mar 31, 2022 | 35.21% |
| Sep 30, 2021 | 1,874.94% |
United Microelectronics Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=UMC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "UMC", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=UMC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();