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United Microelectronics UMC

US equityMarket cap rank #266China Concept Stocks
$24.07
−$0.62 (-2.49%)
Market open · Sep 24, 2:00 pm ET
After hours $24.70 +0.08%
Open$24.02
Prev close$24.68
Day range$23.80 – $24.35
Volume3.69M
Market cap$60.59B
P/E (TTM)23.3
Dividend yield–

Earnings

Average move on report day±4.0%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

-4.0%2023/Q3-1.5%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
QuarterReport dateTimingImplied moveActual moveVersus implied
2026/Q229 Jul 2026–±3.1%-1.44%Within range
2026/Q129 Apr 2026Pre Market±1.1%+9.35%Bigger than priced
2025/Q428 Jan 2026–±1.6%-8.81%Bigger than priced
2025/Q329 Oct 2025–±1.8%-3.15%Bigger than priced
2025/Q230 Jul 2025–±0.8%-0.28%Within range
2025/Q123 Apr 2025Pre Market±1.0%+3.24%Bigger than priced
2024/Q421 Jan 2025–±0.9%-3.98%Bigger than priced
2024/Q330 Oct 2024Pre Market±1.1%-5.67%Bigger than priced
2024/Q231 Jul 2024–±1.0%+12.65%Bigger than priced
2024/Q124 Apr 2024–±0.7%+1.32%Bigger than priced
2023/Q431 Jan 2024–±1.0%-1.53%Bigger than priced
2023/Q325 Oct 2023–±0.9%-4.03%Bigger than priced
2023/Q226 Jul 2023–±0.9%-1.64%Bigger than priced
2023/Q126 Apr 2023–±0.7%+0.26%Within range
2022/Q417 Jan 2023–±1.0%+2.00%Bigger than priced
2022/Q326 Oct 2022–±1.1%-4.98%Bigger than priced

"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/Q2

By business line

  • WaferNT$66.44B 96.7%
  • OthersNT$2.29B 3.3%

Latest reported quarter: Q2, ended Jun 2026 · reported in TWD

RevenueNT$68.73B+17.0% YoY
Operating profitNT$14.88B+38.2% YoY
Net profitNT$42.22B+377.2% YoY
Diluted EPSNT$16.85+374.6% YoY
Free cash flowNT$24.22B+79.3% YoY
Operating cash flowNT$33.70B

Revenue, last 8 quarters

NT$60.5BSep '24NT$60.4BDec '24NT$57.9BMar '25NT$58.8BJun '25NT$59.1BSep '25NT$61.8BDec '25NT$61.0BMar '26NT$68.7BJun '26

Net profit, last 8 quarters

NT$14.4BSep '24NT$10.0BDec '24NT$7.7BMar '25NT$8.8BJun '25NT$14.9BSep '25NT$8.6BDec '25NT$16.1BMar '26NT$42.2BJun '26

Profitability & balance sheet

Gross margin30.6%
Operating margin19.7%
Net margin32.8%
Return on equity21.0%
Return on assets13.5%
Return on invested capital18.1%
Current ratio2.17
Liabilities / assets33.3%
Cash & investmentsNT$147.39B
Total debtNT$53.65B
Net cash (debt)NT$93.74B
Free cash flow / sales23.6%
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