Equity · Technology
UMC
United Microelectronics Corporation · NYSE
Reddit mentioned UMC 10 times in the 30 days to 24 September 2026, across 2 of the communities we track. All of them were scored for sentiment: 60% read bullish, 0% bearish and 40% neither. Reddit data updated 24 September 2026.
The line runs $25 on 26 June through $24.69 on 23 September, on a scale from $15 to $30. Days the market did not trade hold the previous close, flat.
The chart above plots the price of UMC over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 62 sessions over that window: $25 on 26 June 2026 through $24.69 on 23 September 2026.
Finazon · prior-day close · as of Sep 24, 2026
UMC · crowd attention × price
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Day20 Sep 2026
UMC drew 10 Reddit mentions over the 30 days to 24 September 2026
UMC's busiest day for Reddit mentions was also its lowest close of the window — 3 mentions and $17 on 29 July
This chart in words
The chart plots daily Reddit mentions of UMC over the 30 days to 24 September 2026: 10 in total, busiest on 6 September with 2, and 1 on the last day counted. The line is the daily close over the same window: $19.38 on 26 August, $24.69 on 23 September. Of those days, 20 were trading sessions and the other 10 are hatched on the chart. On 9 of them no session took place, and the last close before it is carried forward rather than plotted; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.
The chart plots daily Reddit mentions of UMC over the 90 days to 24 September 2026: 20 in total, busiest on 29 July with 3, and 1 on the last day counted. Across this window the close ran between $17 on 29 July and $27.19 on 30 June. The line is the daily close over the same window: $25 on 27 June, $24.69 on 23 September. Of those days, 61 were trading sessions and the other 29 are hatched on the chart. On 26 of them no session took place, and the last close before it is carried forward rather than plotted; on 2 of them no session took place, and this window holds no earlier close to carry forward; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.
Finazon · prior-day close, some closes dollar-rounded at the source
Crowd sentiment on UMC · 30d
bullish
bullish
UMC reads 5 points more bullish than overall market sentiment. Same measure; same 30-day window.
Where UMC is discussed
(30d)UMC institutional holders
9 of the 45 institutional funds we track reported a UMC position for the quarter ended 30 Jun 2026 — a combined $476.2M; the latest of those filings landed 02 Sep 2026.
Source: SEC EDGAR 13F filings
UMC fails-to-deliver
On 31 Aug 2026, 97,168 shares of UMC failed to deliver (about $1.9M) — the latest of 2 consecutive trading days with recorded fails.
Source: SEC fails-to-deliver (CNS) data
UMC — frequently asked questions
How often is UMC mentioned on Reddit?
UMC was mentioned 1 times in the last 7 days across the finance subreddits we track, and 10 times over the trailing 30 days.
Is Reddit bullish or bearish on UMC?
Across 10 classified UMC mentions in the last 30 days, 60% read bullish, 0% bearish and 40% neutral. Crowd sentiment is a social signal, not investment advice.
What exchange is UMC listed on?
UNITED MICROELECTRONICS CORP trades on NYSE under the ticker UMC.
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.