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UMC
United Microelectronics Corporation (NEW) — live penny stock scanner data, RVOL, VWAP, and vibe signals.
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Reading today's tape on UMC…
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About United Microelectronics Corporation (NEW) (UMC)
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.
UMC trades on NYSE and is tracked by the PennyStock.Ninja real-time scanner. The scanner monitors UMC for premarket gaps, unusual relative volume (RVOL), VWAP reclaims and rejections, and vibe signals such as the Surfer breakout, Ninja stealth accumulation, and Fade caution patterns. Watch this name for catalyst-driven setups — earnings, contracts, partnerships, and unusual options flow are the most reliable triggers for a meaningful intraday move.
What to watch on UMC
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Frequently asked questions about UMC
Why is UMC moving today?
UMC (United Microelectronics Corporation (NEW)) moves on relative volume (RVOL), VWAP behavior, sector rotation, and catalysts like earnings, FDA decisions, contract wins, or unusual options flow. See the live "Why is UMC moving today?" panel above for an auto-generated read on today's tape, and the news section for current headlines.
Is UMC a good penny stock to buy?
PennyStock.Ninja does not give buy or sell recommendations on UMC. We give you the data — live RVOL, VWAP, float, short interest, analyst consensus, and vibe signals — so you can make your own decision. Always do your own research and never risk more than you can afford to lose.
What is UMC's RVOL and why does it matter?
RVOL compares UMC's current volume to its 30-day average. RVOL above 3× often signals a real catalyst — but watch the price action. High RVOL with the stock dumping below VWAP is distribution, not opportunity.
When does UMC report earnings?
Earnings dates for UMC are tracked in the PennyStock.Ninja scanner. See the "Upcoming Catalysts" panel above for the scanner's current estimate. United Microelectronics Corporation (NEW) typically reports quarterly; check the company's investor relations page for the next confirmed date.
What is UMC's float and short interest?
UMC float is shown in the "Short Interest & Float" panel above. Low-float names (under 75M shares) with elevated short interest can squeeze violently — always check both before sizing into a momentum trade. Live short interest, days-to-cover, and the Ninja Squeeze Score are members-only.
How can I get alerts on UMC?
Sign up for a free 7-day PennyStock.Ninja trial (no credit card required) to set real-time alerts on UMC for premarket gaps, RVOL spikes, VWAP reclaims, halts, and Ninja vibe signals.
Glossary quick reference
New to penny stock day trading? See the full glossary and the vibe icons explained page for every signal the scanner uses.
Create free account — unlock the live scanner →Not financial advice. UMC data is delayed and may not reflect current market conditions. Always verify with your broker.