Manufacturing / Electronic Components & Accessories
UNITED MICROELECTRONICS CORP
UMC
$22.93
+$0.11 (+0.48%)
Price as of Oct 9, 2026 16:37 UTC
48 B
Market Cap (Large Cap)
40%
IV Rank
58.8%
Implied Volatility
Oct 29
Next Earnings
Technical Signals
as of Oct 7
Bearish
1 of 5
Trend
- Above 20-day average $23.63
- Above 50-day average $22.41
Momentum
- Golden cross (50/200) —
- Momentum cross (20/50) 18d ago
Volume
- Below-average volume 0.7x avg
Price & Trend
Daily candles with EMA 20, SMA 50. Drag to zoom.
Options Activity & Greeks
Implied volatility, flow, and dealer positioning from the options market.
Put/Call Ratio
2.82
Bearish skew
Implied Volatility
58.8%
1% percentile
IV vs Realized
Options rich
30d HV 55.7%
Options Heat Map
Delta-risk grid for UMC options across strikes and expirations. Hover any cell for full Greeks.
Loading option chain data...
Insider Trades
0 buys
4 sells
| Date | Insider | Title | Type | Shares | Value | Since Trade |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | LIN JEN-TSUNG | Sell | 10,000 | $1,630,000 | -86.0% | |
| Sep 17, 2026 | Liu Chitung | Sell | 400,000 | $58,000,000 | -84.3% | |
| Sep 16, 2026 | Liu Chitung | Sell | 1,200,000 | $170,799,600 | -84.0% | |
| Sep 07, 2026 | Liu Chitung | Other | 1,000,000 | $0 | +4.6% | |
| Sep 07, 2026 | Liu Chitung | Other | 1,000,000 | $0 | +4.6% | |
| Jul 13, 2026 | Liu Chitung | Sell | 1,900,000 | $294,291,000 | -85.3% |
Earnings History
| Date | Quarter | EPS Est. | EPS Actual | Surprise | Result |
|---|---|---|---|---|---|
| Jul 29, 2026 | Q2 2026 | $0.98 | |||
| Mar 31, 2026 | Q1 2026 | $0.87 | $1.29 | +48.7% | Beat |
| Dec 31, 2025 | Q4 2025 | $0.85 | $0.80 | -5.9% | Miss |
| Sep 30, 2025 | Q3 2025 | $0.79 | $1.19 | +50.7% | Beat |
| Jun 30, 2025 | Q2 2025 | $0.90 | $0.71 | -20.7% | Miss |
Track UMC with ThetaPal
Get insider trade alerts, AI portfolio analysis, and options roll recommendations for UMC and your entire portfolio.