Also trades as: UMC (NYSE) · $vol 165M
2303.TW TAI
United Microelectronics Corporation
1W: +8.1%
1M: +54.8%
3M: +126.2%
YTD: +81.1%
1Y: +168.5%
3Y: +168.7%
5Y: +188.8%
NT$108.00 ($3.41)
-5.00 (-4.42%)
Weekly Expected Move ±11.1%
NT$85
NT$98
NT$110
NT$122
NT$135
Overview
Chart
Financials
Income Statement
Cash Flow
Balance Sheet
Earnings
Analysis
Technicals
Weather
Peers
ETF Exposure
May Typical
☀️
Sunny
+6.3% YTD avg
Midterm Year
⛅
Partly Cloudy
+2.9% YTD avg
2026 Now
☀️
Sunny
Above typical
20yr Avg YTD
+6.3%
Day 60 of 252
Midterm Year YTD
+2.9%
Presidential cycle avg
2026 YTD
+81.1%
Above 20yr avg
Typical Vol
35%
Annualized
Monthly Weather Forecast
Jan
20yr
⛅
+3.0%
Midterm
🌧️
-4.2%
53% win
34% vol
Feb
20yr
💨
+3.7%
Midterm
☁️
-0.5%
60% win
38% vol
Mar
20yr
☀️
+6.7%
Midterm
⛅
+2.9%
55% win
29% vol
Apr
20yr
💨
+8.1%
Midterm
⛅
+1.9%
55% win
36% vol
May
20yr
⛅
+8.0%
Midterm
☁️
+0.6%
67% win
35% vol
Now:
+46.2%
Jun
20yr
🌧️
+9.3%
Midterm
⛅
+1.1%
60% win
34% vol
Jul
20yr
💨
+8.6%
Midterm
🌧️
-1.4%
35% win
39% vol
Aug
20yr
🌧️
+11.4%
Midterm
🌧️
-4.1%
35% win
32% vol
Sep
20yr
⛅
+10.8%
Midterm
⛈️
-7.6%
65% win
33% vol
Oct
20yr
⛈️
+9.3%
Midterm
⛈️
-10.6%
60% win
36% vol
Nov
20yr
⛅
+17.6%
Midterm
🌧️
-1.5%
45% win
33% vol
Dec
20yr
☀️
+2.1%
Midterm
🌧️
-0.6%
65% win
29% vol
Seasonality (20yr)
Updated: 2026-05-20
YTD: +81.1%