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United Microelectronics UMC

US equityMarket cap rank #600SemiconductorsChina Concept Stocks
$13.85 +$0.47 (+3.51%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $13.98 +0.94%
Open$14.39
Prev close$13.38
Day range$13.65 – $14.54
Volume16.78M
Market cap$34.87B
P/E (TTM)13.7
Dividend yield2.94%

Earnings

Average move on report day±3.9%last 16 reports
Closed higher6 of 1638% of the time
Best reaction+12.7%
Worst reaction-8.8%

Stock move on the day after each report

-1.5%2023/Q4+1.3%2024/Q1+12.7%2024/Q2-5.7%2024/Q3-4.0%2024/Q4+3.2%2025/Q1-0.3%2025/Q2-3.1%2025/Q3-8.8%2025/Q4+9.3%2026/Q1-1.4%2026/Q2-3.2%2026/Q3
QuarterReport dateTimingImplied moveActual moveVersus implied
2026/Q328 Oct 2026None±9.9%-3.24%Within range
2026/Q229 Jul 2026None±17.8%-1.44%Within range
2026/Q129 Apr 2026Pre Market±9.5%+9.35%Within range
2025/Q428 Jan 2026None±12.7%-8.81%Within range
2025/Q329 Oct 2025None±23.3%-3.15%Within range
2025/Q230 Jul 2025None±10.7%-0.28%Within range
2025/Q123 Apr 2025Pre Market±14.6%+3.24%Within range
2024/Q421 Jan 2025None±14.0%-3.98%Within range
2024/Q330 Oct 2024Pre Market±15.0%-5.67%Within range
2024/Q231 Jul 2024None±14.1%+12.65%Within range
2024/Q124 Apr 2024None±9.7%+1.32%Within range
2023/Q431 Jan 2024None±12.8%-1.53%Within range
2023/Q325 Oct 2023None±12.2%-4.03%Within range
2023/Q226 Jul 2023None±12.0%-1.64%Within range
2023/Q126 Apr 2023None±9.5%+0.26%Within range
2022/Q417 Jan 2023None±13.6%+2.00%Within range

"Implied move" is the size of move the options market was pricing ahead of the report. Move is the stock’s change on the first session after the release.

Where the revenue comes from

Quarter 2026/Q3

By business line

  • WaferNT$71.63B 96.5%
  • OthersNT$2.61B 3.5%

Latest reported quarter: Q3, ended Sep 2026 · reported in TWD

RevenueNT$74.24B+25.6% YoY
Operating profitNT$18.58B+68.8% YoY
Net profitNT$16.39B+9.7% YoY
Diluted EPSNT$6.55+10.1% YoY
Free cash flowNT$17.97B+104.9% YoY
Operating cash flowNT$30.02B

Revenue, last 8 quarters

NT$60.4BDec '24NT$57.9BMar '25NT$58.8BJun '25NT$59.1BSep '25NT$61.8BDec '25NT$61.0BMar '26NT$68.7BJun '26NT$74.2BSep '26

Net profit, last 8 quarters

NT$10.0BDec '24NT$7.7BMar '25NT$8.8BJun '25NT$14.9BSep '25NT$8.6BDec '25NT$16.1BMar '26NT$42.2BJun '26NT$16.4BSep '26

Profitability & balance sheet

Gross margin31.7%
Operating margin21.4%
Net margin31.4%
Return on equity20.1%
Return on assets13.6%
Return on invested capital17.0%
Current ratio3.27
Liabilities / assets30.3%
Cash & investmentsNT$151.58B
Total debtNT$69.71B
Net cash (debt)NT$81.87B
Free cash flow / sales25.8%

Discussion

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