Latest profit margin for United Micro Electronics: 34.11% — see history and peer comparisons.
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+ FollowAs of Sep 2026
Trailing 12 months ending Sep 2026
The latest profit margin for UMC is 34.11% as of September 2026. That compares with 16.69% in the prior-year period — up 104.3% year over year. That is above the Technology sector average of 28.0%. Investors often review this figure alongside United Micro Electronics's historical trend and sector peers before judging valuation or financial health.
Over the past year, UMC's profit margin moved from 16.69% to 34.11% — a 104.3% year-over-year increase. If the trend continues in the same direction for several quarters, it can signal a meaningful shift in United Micro Electronics's valuation or profitability profile.
Against Technology companies, UMC currently prints 34.11% for profit margin, while the sector average sits near 28.0%. That is roughly 21.8% above the sector mean. Large gaps often invite a closer look at United Micro Electronics's growth, margins, and balance sheet.
Profit Margin shows how effectively United Micro Electronics converts resources into returns. At 34.11%, UMC may look efficient or underperforming depending on peer benchmarks and trend direction. That compares with 16.69% in the prior-year period — up 104.3% year over year. Pair the percentage with revenue growth and leverage for a fuller health check.
After noting UMC's profit margin (34.11%), review year-over-year change from 16.69%, peer averages, and a few neighboring metrics such as revenue, margins, or valuation multiples. That combination usually beats staring at a single figure. The navigation links on this page jump you to those related views.