UMC
United Microelectronics Corporation (NEW)Stock · Technology$19.38+$0.07 (+0.36%)as of market close, Aug 13, 2026
☾ After hours:$19.38+0.00%3:59 PM ET
UMC weekly returns
United Microelectronics Corporation (NEW) has averaged 0.19% per week, positive in 48% of weeks. Week-by-week returns for United Microelectronics Corporation (NEW) (UMC) below, through August 13, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+0.2%
1351 weeks
Best week
+54.1%
Oct 31, 2008
Worst week
-30.2%
Sep 21, 2001
Positive weeks
48%
of all weeks
United Microelectronics Corporation (NEW) weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Aug 13, 2026 | +3.5% | |
| Aug 7, 2026 | -1.6% | |
| Jul 31, 2026 | -2.3% | |
| Jul 24, 2026 | -8.3% | |
| Jul 17, 2026 | -12.7% | |
| Jul 10, 2026 | -0.8% | |
| Jul 2, 2026 | -4.1% | |
| Jun 26, 2026 | +6.2% | |
| Jun 18, 2026 | +11.3% | |
| Jun 12, 2026 | +9.8% | |
| Jun 5, 2026 | -11.2% | |
| May 29, 2026 | +21.7% |
Weekly total return (since Aug 23, 2024)
-20%-10%+0%+10%+20%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from UMC's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ#
- What is United Microelectronics Corporation (NEW)'s average weekly return?
- United Microelectronics Corporation (NEW) (UMC) has averaged about 0.19% per week, positive in roughly 48% of weeks. The best week was Oct 31, 2008 (+54.1%) and the worst was Sep 21, 2001 (-30.2%).