Dark

Check out our API

UMC
United Microelectronic Corp.
stock NYSE ADR

At Close

Sep 11, 2026 3:59:58 PM EDT

22.64USD+2.351%(+0.52)7,190,739

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 11, 2026 9:29:59 AM EDT

22.44USD+1.447%(+0.32)301,511

After-hours

Sep 11, 2026 4:48:30 PM EDT

22.66USD+0.088%(+0.02)3,736

OverviewOptionsHistoricalExchangesShortsTrends

UMC Reddit Mentions

Subreddits

Limit Labels Price

We have sentiment values and mention counts going back to 2017. The complete data set is available via the API.

Take me to the API

UMC Specific Mentions

As of Sep 12, 2026 12:25:10 PM EDT (1 min. ago)

Includes all comments and posts. Mentions per user per ticker capped at one per hour.

4 days ago • u/Distinct_Yellow_6331 • r/stocks • rstocks_daily_discussion_technicals_tuesday_sep • C

Funny timing, I didn't realize this myself until just now but there's actually a new one. Defiance launched AIFR on September 1st, it's built specifically around the foundry side (TSM, GFS, UMC etc) instead of the fabless design side.

4 days ago • u/Distinct_Yellow_6331 • r/stocks • rstocks_daily_discussion_technicals_tuesday_sep • C

Funny timing, I didn't realize this myself until just now but there's actually a new one. Defiance launched AIFR on September 1st, it's built specifically around the foundry side (TSM, GFS, UMC etc) instead of the fabless design side.

Share