Now Live: Cboe Europe real-time data for all major European stocks.
United States
opens in 1h 20m
Pre-market

STOCKS is currently open for pre-market.
Main market opens in 1 hour 20 minutes

08:09
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
14.80000 EUR
0.1
0.67%
Last update May 18, 4:10 PM CEST
Main market
Day range
14.80000
15.30000
Previous close
14.90000
Open
14.90000
Access this stock data via API
Subscribe
United Microelectronics Corp. Sponsored ADR
14.80
0.10
0.67%

Historical data

Prices

Date Open High Low Close % Change Volume
May 18, 2026 14.90 15.30 14.80 14.80 -0.67% 230
May 15, 2026 14.50 14.90 14.50 14.90 2.76% 1000
May 14, 2026 14.50 14.50 14.50 14.50 0 0
May 13, 2026 13.60 13.60 13.60 13.60 0 0
May 12, 2026 13.90 13.90 13.90 13.90 0 0
May 11, 2026 12.90 12.90 12.90 12.90 0 0
May 08, 2026 12.60 12.60 12.60 12.60 0 0
May 07, 2026 13.30 13.30 13.30 13.30 0 0
May 06, 2026 12.20 12.70 12.20 12.70 4.10% 400
May 05, 2026 11.10 11.10 11.10 11.10 0 0
May 04, 2026 11 11 11 11 0 0
Apr 30, 2026 10.60 10.60 10.60 10.60 0 0
Apr 29, 2026 10 10 10 10 0 0
Apr 28, 2026 10 10 10 10 0 0
Apr 27, 2026 10 10 10 10 0 0
Apr 24, 2026 10.40 10.50 10.40 10.50 0.96% 95
Apr 23, 2026 10.40 10.40 10.40 10.40 0 0
Apr 22, 2026 10.60 10.60 10.60 10.60 0 0
Apr 21, 2026 10.60 10.60 10.60 10.60 0 0
Apr 20, 2026 10.30 10.60 10.30 10.60 2.91% 200
Access /time_series data via our API — starting from the Basic plan and above.
Main market

Exchange is currently active.
Closing in 5 hours 50 minutes

14:09
00:00
08:00
20:00
23:59

Trading Hours (Monday - Friday):

Main market
08:00 - 20:00
All times are displayed in the Europe/Berlin timezone (CEST, UTC+02:00).