United Microelectronics C... (UMC)
NYSE: UMC
· Real-Time Price · USD
6.88
0.04 (0.66%)
At close: Aug 14, 2025, 3:59 PM
6.94
0.87%
After-hours: Aug 14, 2025, 07:55 PM EDT
UMC Option Overview
Overview for all option chains of UMC. As of August 14, 2025, UMC options have an IV of 488.57% and an IV rank of 282.48%. The volume is 236 contracts, which is 48.56% of average daily volume of 486 contracts. The volume put-call ratio is 0.26, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
488.57%IV Rank
282.48%Historical Volatility
23.68%IV Low
41.8% on Aug 21, 2024IV High
199.96% on Aug 13, 2025Open Interest (OI)
Today's Open Interest
29,335Put-Call Ratio
1.01Put Open Interest
14,721Call Open Interest
14,614Open Interest Avg (30-day)
24,854Today vs Open Interest Avg (30-day)
118.03%Option Volume
Today's Volume
236Put-Call Ratio
0.26Put Volume
48Call Volume
188Volume Avg (30-day)
486Today vs Volume Avg (30-day)
48.56%Option Chain Statistics
This table provides a comprehensive overview of all UMC options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 1 | 25 | 25 | 1,122 | 481 | 0.43 | 488.57% | 7 |
| Sep 19, 2025 | 14 | 17 | 1.21 | 318 | 2,435 | 7.66 | 118.72% | 7 |
| Oct 17, 2025 | 17 | 0 | 0 | 1,405 | 806 | 0.57 | 63.98% | 8 |
| Jan 16, 2026 | 10 | 6 | 0.6 | 10,321 | 10,385 | 1.01 | 47.76% | 7 |
| Jan 15, 2027 | 146 | 0 | 0 | 1,448 | 614 | 0.42 | 48.48% | 7 |