Options Chain for UNITED MICROELECTRONICS CORP SPON ADR NEW (UMC) - $24.49 as of 9/28/2026 6:36:11 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.00 | 9.40 | 10.60 | 10.00 | % | 0.71 | 0 | 0 | 1.29 | 0.99 | 0.00 | 0.00 | 9/28/2026 3:59:56 PM EST | |||
| 15.00 | 8.40 | 9.50 | 8.95 | % | 0.60 | 0 | 0 | 1.09 | 0.98 | 0.01 | -0.01 | 9/28/2026 3:59:56 PM EST | |||
| 16.00 | 7.50 | 8.60 | 8.05 | % | 0.50 | 0 | 0 | 1.03 | 0.96 | 0.01 | -0.01 | 9/28/2026 3:59:56 PM EST | |||
| 17.00 | 5.60 | 8.50 | 7.05 | 8.30 | 0.00 | 0.00% | 0.41 | 0 | 5 | 1.34 | 0.93 | 0.02 | -0.01 | 9/17/2026 | 9/28/2026 3:59:56 PM EST |
| 18.00 | 5.80 | 6.80 | 6.30 | 7.79 | 0.00 | 0.00% | 0.35 | 0 | 11 | 0.90 | 0.90 | 0.03 | -0.01 | 9/21/2026 | 9/28/2026 3:59:56 PM EST |
| 19.00 | 5.00 | 6.00 | 5.50 | % | 0.29 | 0 | 0 | 0.86 | 0.86 | 0.04 | -0.02 | 9/28/2026 3:59:56 PM EST | |||
| 20.00 | 4.50 | 5.00 | 4.75 | 6.30 | 0.00 | 0.00% | 0.24 | 0 | 5 | 0.65 | 0.81 | 0.05 | -0.02 | 9/22/2026 | 9/28/2026 3:59:56 PM EST |
| 21.00 | 3.60 | 4.20 | 3.90 | 3.70 | -0.80 | -17.78% | 0.19 | 3 | 4 | 0.59 | 0.75 | 0.05 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 22.00 | 3.10 | 4.20 | 3.65 | 3.45 | -0.25 | -6.76% | 0.17 | 2 | 12 | 0.72 | 0.69 | 0.06 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 23.00 | 2.30 | 3.70 | 3.00 | 2.65 | -0.85 | -24.29% | 0.13 | 15 | 16 | 0.69 | 0.62 | 0.07 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 24.00 | 1.55 | 3.10 | 2.33 | 2.30 | -0.44 | -16.06% | 0.10 | 52 | 240 | 0.63 | 0.55 | 0.07 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 25.00 | 1.55 | 2.15 | 1.85 | 1.90 | -0.20 | -9.53% | 0.07 | 41 | 598 | 0.62 | 0.48 | 0.07 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 26.00 | 1.05 | 1.75 | 1.40 | 2.62 | 0.00 | 0.00% | 0.05 | 0 | 309 | 0.59 | 0.42 | 0.07 | -0.02 | 9/22/2026 | 9/28/2026 3:59:56 PM EST |
| 27.00 | 0.80 | 1.85 | 1.33 | 1.21 | -0.32 | -20.92% | 0.05 | 4 | 30 | 0.65 | 0.36 | 0.07 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 28.00 | 0.55 | 1.65 | 1.10 | 1.07 | -0.18 | -14.40% | 0.04 | 35 | 134 | 0.65 | 0.30 | 0.06 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 29.00 | 0.40 | 1.45 | 0.93 | 0.80 | -0.40 | -33.34% | 0.03 | 6 | 67 | 0.66 | 0.26 | 0.06 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 30.00 | 0.45 | 1.05 | 0.75 | 0.90 | 0.00 | 0.00% | 0.03 | 0 | 668 | 0.67 | 0.22 | 0.05 | -0.02 | 9/25/2026 | 9/28/2026 3:59:56 PM EST |
| 31.00 | 0.55 | 0.75 | 0.65 | 0.80 | 0.00 | 0.00% | 0.02 | 0 | 52 | 0.69 | 0.18 | 0.05 | -0.02 | 9/25/2026 | 9/28/2026 3:59:56 PM EST |
| 32.00 | 0.35 | 0.70 | 0.53 | 0.40 | -0.29 | -42.03% | 0.02 | 1 | 9 | 0.69 | 0.15 | 0.04 | -0.01 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 33.00 | 0.25 | 1.10 | 0.68 | % | 0.02 | 0 | 0 | 0.78 | 0.12 | 0.03 | -0.01 | 9/28/2026 3:59:56 PM EST | |||
| 35.00 | 0.25 | 0.35 | 0.30 | 0.25 | -0.10 | -28.58% | 0.01 | 32 | 7 | 0.71 | 0.09 | 0.03 | -0.01 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.00 | 0.00 | 0.55 | 0.28 | 0.08 | 0.00 | 0.00% | 0.02 | 0 | 1 | 1.26 | -0.01 | 0.00 | 0.00 | 9/23/2026 | 9/28/2026 3:59:56 PM EST |
| 15.00 | 0.00 | 0.35 | 0.18 | 0.13 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.99 | -0.02 | 0.01 | -0.01 | 9/18/2026 | 9/28/2026 3:59:56 PM EST |
| 16.00 | 0.05 | 0.25 | 0.15 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 2 | 0.69 | -0.04 | 0.01 | -0.01 | 9/25/2026 | 9/28/2026 3:59:56 PM EST |
| 17.00 | 0.05 | 0.30 | 0.18 | 0.22 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.62 | -0.07 | 0.02 | -0.01 | 9/25/2026 | 9/28/2026 3:59:56 PM EST |
| 18.00 | 0.20 | 0.40 | 0.30 | 0.37 | +0.06 | +19.36% | 0.02 | 1 | 19 | 0.65 | -0.10 | 0.03 | -0.01 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 19.00 | 0.45 | 0.55 | 0.50 | 0.35 | -0.19 | -35.19% | 0.03 | 1 | 29 | 0.66 | -0.14 | 0.04 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 20.00 | 0.45 | 0.85 | 0.65 | 0.70 | 0.00 | 0.00% | 0.03 | 1 | 34 | 0.62 | -0.19 | 0.05 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 21.00 | 0.85 | 1.25 | 1.05 | 1.10 | +0.10 | +10.00% | 0.05 | 3 | 81 | 0.66 | -0.25 | 0.05 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 22.00 | 1.00 | 1.55 | 1.28 | 1.32 | 0.00 | 0.00% | 0.06 | 0 | 88 | 0.62 | -0.31 | 0.06 | -0.02 | 9/24/2026 | 9/28/2026 3:59:56 PM EST |
| 23.00 | 1.65 | 1.95 | 1.80 | 1.85 | 0.00 | 0.00% | 0.08 | 10 | 229 | 0.65 | -0.38 | 0.07 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 24.00 | 1.80 | 2.40 | 2.10 | 2.15 | 0.00 | 0.00% | 0.09 | 0 | 321 | 0.59 | -0.45 | 0.07 | -0.02 | 9/25/2026 | 9/28/2026 3:59:56 PM EST |
| 25.00 | 2.50 | 3.20 | 2.85 | 2.90 | 0.00 | 0.00% | 0.11 | 0 | 293 | 0.64 | -0.52 | 0.07 | -0.02 | 9/24/2026 | 9/28/2026 3:59:56 PM EST |
| 26.00 | 2.85 | 4.40 | 3.63 | 3.52 | 0.00 | 0.00% | 0.14 | 0 | 2 | 0.67 | -0.58 | 0.07 | -0.02 | 9/18/2026 | 9/28/2026 3:59:56 PM EST |
| 27.00 | 4.00 | 4.50 | 4.25 | 4.50 | +1.10 | +32.36% | 0.16 | 1 | 41 | 0.65 | -0.64 | 0.07 | -0.02 | 9/28/2026 | 9/28/2026 3:59:56 PM EST |
| 28.00 | 4.80 | 5.40 | 5.10 | % | 0.18 | 0 | 0 | 0.68 | -0.70 | 0.06 | -0.02 | 9/28/2026 3:59:56 PM EST | |||
| 29.00 | 5.10 | 6.30 | 5.70 | % | 0.20 | 0 | 0 | 0.82 | -0.74 | 0.06 | -0.02 | 9/28/2026 3:59:56 PM EST | |||
| 30.00 | 6.40 | 7.20 | 6.80 | % | 0.23 | 0 | 0 | 0.71 | -0.78 | 0.05 | -0.02 | 9/28/2026 3:59:56 PM EST | |||
| 31.00 | 7.00 | 8.10 | 7.55 | % | 0.24 | 0 | 0 | 0.89 | -0.82 | 0.05 | -0.02 | 9/28/2026 3:59:56 PM EST | |||
| 32.00 | 6.80 | 9.80 | 8.30 | % | 0.26 | 0 | 0 | 1.40 | -0.85 | 0.04 | -0.01 | 9/28/2026 3:59:56 PM EST | |||
| 33.00 | 8.90 | 9.90 | 9.40 | % | 0.28 | 0 | 0 | 0.93 | -0.88 | 0.03 | -0.01 | 9/28/2026 3:59:56 PM EST | |||
| 35.00 | 10.70 | 11.80 | 11.25 | % | 0.32 | 0 | 0 | 0.99 | -0.91 | 0.03 | -0.01 | 9/28/2026 3:59:56 PM EST |