United Microelectronics (UMC) Operating Margin (2009 - 2026)
United Microelectronics (UMC) recorded Operating Margin of 21.75% in the quarter ended Jun 30, 2026, up 3.34 percentage points from 18.41% a year earlier and up 17.07 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 11.60% as of Jun 30, 2026, down 8.05 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 Jun 30, 2026 is the highest quarterly Operating Margin since the quarter ended Sep 30, 2024.
- On a year-over-year basis, Operating Margin rose in 1 of the last eight quarters, with an average year-over-year change of -3.78 percentage points.
- Peak year-over-year performance for Operating Margin in the last five years was a gain of 3.34 percentage points in the quarter ended Jun 30, 2026, against a drop of 13.17 percentage points in the quarter ended Sep 30, 2023 at the low end.
- Per Business Quant, the preceding three quarters came in at 4.68% (quarter ended Mar 31, 2026), 19.78% (quarter ended Dec 31, 2025) and 18.80% (quarter ended Sep 30, 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Nvidia | 5,638.19 Bn | 5,412.36 Bn | 72.14 Bn | 66.24% |
| 2 | Taiwan Semiconductor Manufacturing | 2,452.80 Bn | 2,078.51 Bn | 27.22 Bn | 60.34% |
| 3 | Broadcom | 1,695.44 Bn | 1,621.48 Bn | 20.46 Bn | 53.92% |
| 4 | Micron Technology | 1,213.55 Bn | 1,152.31 Bn | 35.06 Bn | 80.37% |
| 5 | Advanced Micro Devices | 1,034.54 Bn | 991.29 Bn | 6.20 Bn | 17.25% |
| 6 | Asml Holding | 719.69 Bn | 675.53 Bn | 5.90 Bn | - |
| 7 | Intel | 601.78 Bn | 486.52 Bn | 6.51 Bn | 11.14% |
| 8 | Lam Research | 434.81 Bn | 411.60 Bn | 3.48 Bn | 37.39% |
| 9 | Applied Materials | 428.57 Bn | 394.02 Bn | 4.59 Bn | 33.74% |
| 10 | United Microelectronics | 66.14 Bn | 49.96 Bn | 706.26 Mn | 21.75% |
Historic Data
| Date | Value |
|---|---|
| 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% |
| Dec 31, 2018 | -1.66% |
| Sep 30, 2018 | 6.51% |
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();