United Microelectronics Corporation (UMC) Options Chain
The options chain displays all available contracts with end-of-day quotes, Greeks, volume, and open interest for each strike and expiration, and streams live quotes for traders who connect a broker. It is the primary tool for options trade selection.
United Microelectronics Corporation (UMC) operates in the Technology sector, specifically the Semiconductors industry, with a market capitalization near $55.85B, listed on NYSE, employing roughly 20,000 people, carrying a beta of 1.56 to the broader market. United Microelectronics Corporation (UMC) operates as a specialized semiconductor wafer foundry, extending its services globally with operations across Taiwan, Singapore, China, Hong Kong, Japan, the United States, and Europe. Led by Jason S. Wang, public since 2000-09-19.
Snapshot as of Oct 14, 2026.
- Spot Price
- $21.48
- Total OI
- 346.1K
- Total Volume
- 127.5K
- Front Expiration
- 37 days
- Second Expiration
- 93 days
- ATM IV
- 60.8%
- Avg Bid/Ask Spread
- 26.84%
As of Oct 14, 2026, United Microelectronics Corporation (UMC) has 346.1K open contracts and 127.5K contracts traded. The nearest expiration is 37 days out, followed by 93 days. ATM implied volatility is 60.8%. Average bid/ask spread across the chain is 26.84%: wider spreads, size positions conservatively. The options chain aggregates every listed strike and expiration, letting traders evaluate skew, term structure, and liquidity in a single view.
How UMC options chain Data Feeds Strategy Selection
Strategy selection on United Microelectronics Corporation options does not derive from any single metric in isolation. The options chain view above sits inside a broader read: ATM IV currently sits at 60.8% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the options chain data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.
How to read the UMC chain depth
The listed-expirations table below shows every expiration available for United Microelectronics Corporation options with its days-to-expiration count and ATM implied volatility. Front-month expirations carry the most volume, the highest gamma, and the tightest bid-ask spreads; longer-dated tenors carry less liquidity but more vega exposure. UMC front expiration sits at 37 days - the typical hedging horizon for monthly options. The backwardated slope of -0.038 means near-dated IV is pricing acute event risk.
UMC chain mechanics and execution
Options are listed at standardized strike intervals (typically $1 for sub-$25 underlyings, $2.50-$5 for mid-cap, $10-$50 for large-cap), and the deltas of each listed strike are determined by where IV lies relative to the strike's moneyness. Average bid/ask spread on the UMC chain is 26.84% - a measure of liquidity. Tighter spreads on liquid strikes mean lower transaction costs; wider spreads on long-dated or far-OTM strikes mean execution drag can dominate the math. The chain table on the SPA side shows the full per-strike, per-expiration grid; this SSR page summarizes the listed expirations and the front-month context to anchor the structural read.
Using the UMC chain to build structures
Strategy selection starts with the chain: directional theses use single-leg calls or puts, range-bound theses use credit spreads or iron condors, vol theses use straddles or strangles, calendar theses use diagonal spreads. UMC's current 17.43% expected move anchors wing placement - structures with wings at the implied band collect the modal-outcome premium under lognormal assumptions. Cross-reference with the gamma-exposure profile to understand where dealer hedging will reinforce or fight your position, and with the volatility-skew chart to confirm the strikes you're trading sit at the IV levels your strategy assumes.
Learn how the options chain is reported and how to read the data →
UMC listed expirations
Per-expiration ATM implied volatility for UMC options. Each row is one listed expiration with its days-to-expiration count and ATM IV pulled from the same term-structure feed that powers the SPA's expiration filter. Front-month expirations carry the highest gamma, the tightest bid-ask spreads, and the most volume; longer-dated tenors carry less liquidity but more vega.
| Expiration | DTE | ATM IV |
|---|---|---|
| Oct 16, 2026 | 2 | 65.8% |
| Nov 20, 2026 | 37 | 60.8% |
| Jan 15, 2027 | 93 | 57.0% |
| Apr 16, 2027 | 184 | 55.9% |
| Jan 21, 2028 | 464 | 53.7% |
| Mar 17, 2028 | 520 | 53.1% |
| Jun 16, 2028 | 611 | 51.1% |
| Jan 19, 2029 | 828 | 51.4% |
Frequently asked UMC options chain questions
- What does the UMC options chain show right now?
- As of Oct 14, 2026, United Microelectronics Corporation (UMC) has 346.1K contracts outstanding and 127.5K traded today, with ATM IV of 60.8%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.
- What expirations are available for UMC options?
- The nearest expiration is 37 days out, followed by 93 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.
- How tight are UMC options bid/ask spreads?
- Average bid/ask spread across the chain is 26.84%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.