Equity · Technology
UMC
United Microelectronics Corporation · NYSE
Reddit mentioned UMC 6 times in the 30 days to 14 August 2026, across 2 of the communities we track. All of them were scored for sentiment: 67% read bullish, 17% bearish and 16% neither. Reddit data updated 14 August 2026.
The line runs $17 on 18 May through $19.38 on 13 August, 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 61 sessions over that window: $17 on 18 May 2026 through $19.38 on 13 August 2026.
Finazon · prior-day close · as of Aug 14, 2026
UMC · crowd attention × price
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Day4 Aug 2026
UMC's busiest day for Reddit mentions was also its lowest close of the window — 3 mentions and $17 on 29 July
UMC drew 24 Reddit mentions over the 90 days to 14 August 2026
This chart in words
The chart plots daily Reddit mentions of UMC over the 30 days to 14 August 2026: 6 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 $22 on 16 July. The line is the daily close over the same window: $22 on 16 July, $19.38 on 13 August. Of those days, 21 were trading sessions and the other 9 are hatched on the chart. On 8 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 14 August 2026: 24 in total, busiest on 2 June with 3, and 1 on the last day counted. The line is the daily close over the same window: $17 on 18 May, $19.38 on 13 August. Of those days, 61 were trading sessions and the other 29 are hatched on the chart. On 27 of them no session took place, and the last close before it is carried forward rather than plotted; on 1 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 11 points more bullish than overall market sentiment. Same measure; same 30-day window.
Where UMC is discussed
(30d)Moves with UMC
co-mention r · 31 obsTickers whose daily Reddit volume rose and fell with UMC's. Co-discussion, not price.
How closely daily Reddit mention counts rose and fell together over the last 30 days (31 daily observations) · Method
UMC institutional holders
1 of the 45 institutional funds we track reported a UMC position for the quarter ended 30 Jun 2026 — a combined $3.8M; the latest of those filings landed 13 Aug 2026.
Source: SEC EDGAR 13F filings
UMC fails-to-deliver
On 10 Jul 2026, 28,295 shares of UMC failed to deliver (about $703K).
Source: SEC fails-to-deliver (CNS) data
UMC — frequently asked questions
Is Reddit bullish or bearish on UMC?
Across 6 classified UMC mentions in the last 30 days, 67% read bullish, 17% bearish and 16% 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.