Options Chain for UNITED MICROELECTRONICS CORP SPON ADR NEW (UMC) - $19.50 as of 7/27/2026 6:39:14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.00 | 6.80 | 8.30 | 7.55 | % | 0.63 | 0 | 0 | 1.60 | 0.93 | 0.02 | -0.01 | 7/27/2026 4:00:10 PM EST | |||
| 13.00 | 5.90 | 7.50 | 6.70 | % | 0.52 | 0 | 0 | 1.52 | 0.90 | 0.03 | -0.01 | 7/27/2026 4:00:10 PM EST | |||
| 14.00 | 5.20 | 6.70 | 5.95 | % | 0.42 | 0 | 0 | 0.89 | 0.86 | 0.03 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 15.00 | 4.40 | 5.90 | 5.15 | 6.86 | 0.00 | 0.00% | 0.34 | 0 | 2 | 0.94 | 0.81 | 0.04 | -0.02 | 7/17/2026 | 7/27/2026 4:00:10 PM EST |
| 16.00 | 3.60 | 4.60 | 4.10 | % | 0.26 | 0 | 0 | 0.78 | 0.76 | 0.05 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 17.00 | 3.50 | 4.00 | 3.75 | % | 0.22 | 0 | 0 | 0.91 | 0.70 | 0.05 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 18.00 | 2.95 | 3.50 | 3.23 | 3.20 | -1.38 | -30.14% | 0.18 | 480 | 1 | 0.91 | 0.64 | 0.06 | -0.03 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 19.00 | 2.50 | 2.90 | 2.70 | 3.10 | +0.20 | +6.90% | 0.14 | 1 | 204 | 0.90 | 0.58 | 0.06 | -0.03 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 20.00 | 2.05 | 2.40 | 2.23 | 2.00 | -0.45 | -18.37% | 0.11 | 4 | 25 | 0.87 | 0.52 | 0.06 | -0.03 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 21.00 | 1.70 | 2.20 | 1.95 | 1.90 | -0.20 | -9.53% | 0.09 | 6 | 20 | 0.90 | 0.46 | 0.06 | -0.03 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 22.00 | 1.45 | 1.70 | 1.58 | 1.46 | -1.08 | -42.52% | 0.07 | 1 | 7 | 0.88 | 0.41 | 0.06 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 23.00 | 1.15 | 1.55 | 1.35 | 1.15 | -0.28 | -19.58% | 0.06 | 70 | 269 | 0.89 | 0.36 | 0.06 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 24.00 | 0.80 | 1.25 | 1.03 | 1.00 | -0.25 | -20.00% | 0.04 | 56 | 112 | 0.85 | 0.31 | 0.06 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 25.00 | 0.75 | 1.15 | 0.95 | 0.90 | -0.08 | -8.17% | 0.04 | 704 | 704 | 0.90 | 0.27 | 0.05 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 26.00 | 0.30 | 0.90 | 0.60 | 1.65 | 0.00 | 0.00% | 0.02 | 0 | 22 | 0.80 | 0.24 | 0.05 | -0.02 | 7/21/2026 | 7/27/2026 4:00:10 PM EST |
| 27.00 | 0.55 | 0.80 | 0.68 | 0.78 | 0.00 | 0.00% | 0.03 | 0 | 78 | 0.91 | 0.20 | 0.04 | -0.02 | 7/24/2026 | 7/27/2026 4:00:10 PM EST |
| 28.00 | 0.50 | 0.70 | 0.60 | 0.55 | -0.08 | -12.70% | 0.02 | 2 | 16 | 0.93 | 0.18 | 0.04 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 29.00 | 0.15 | 0.70 | 0.43 | 0.55 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.86 | 0.16 | 0.04 | -0.02 | 7/24/2026 | 7/27/2026 4:00:10 PM EST |
| 30.00 | 0.30 | 0.75 | 0.53 | 0.30 | -0.24 | -44.45% | 0.02 | 26 | 46 | 0.98 | 0.13 | 0.03 | -0.01 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 31.00 | 0.25 | 0.65 | 0.45 | 0.30 | % | 0.01 | 45 | 0 | 0.98 | 0.12 | 0.03 | -0.01 | 7/27/2026 | 7/27/2026 4:00:10 PM EST | |
| 32.00 | 0.00 | 0.60 | 0.30 | 0.58 | 0.00 | 0.00% | 0.01 | 0 | 13 | 1.13 | 0.09 | 0.03 | -0.01 | 7/23/2026 | 7/27/2026 4:00:10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.00 | 0.00 | 0.65 | 0.33 | 0.30 | +0.10 | +50.00% | 0.03 | 777 | 17 | 1.29 | -0.07 | 0.02 | -0.01 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 13.00 | 0.15 | 0.95 | 0.55 | 0.45 | 0.00 | 0.00% | 0.04 | 138 | 267 | 1.02 | -0.10 | 0.03 | -0.01 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 14.00 | 0.45 | 0.80 | 0.63 | 0.60 | 0.00 | 0.00% | 0.04 | 2 | 36 | 0.95 | -0.14 | 0.03 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 15.00 | 0.70 | 0.95 | 0.83 | 0.90 | +0.15 | +20.00% | 0.06 | 11 | 6 | 0.92 | -0.19 | 0.04 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 16.00 | 1.00 | 1.25 | 1.13 | 1.25 | +0.10 | +8.70% | 0.07 | 157 | 231 | 0.91 | -0.24 | 0.05 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 17.00 | 1.35 | 1.75 | 1.55 | 1.65 | +0.45 | +37.50% | 0.09 | 23 | 24 | 0.92 | -0.30 | 0.05 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 18.00 | 1.80 | 2.15 | 1.98 | 1.85 | 0.00 | 0.00% | 0.11 | 0 | 292 | 0.91 | -0.36 | 0.06 | -0.03 | 7/24/2026 | 7/27/2026 4:00:10 PM EST |
| 19.00 | 2.30 | 2.65 | 2.48 | 1.75 | 0.00 | 0.00% | 0.13 | 0 | 1,108 | 0.90 | -0.42 | 0.06 | -0.03 | 7/22/2026 | 7/27/2026 4:00:10 PM EST |
| 20.00 | 2.90 | 3.20 | 3.05 | 3.15 | +0.71 | +29.10% | 0.15 | 20 | 252 | 0.90 | -0.48 | 0.06 | -0.03 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 21.00 | 3.50 | 3.80 | 3.65 | 3.72 | +0.52 | +16.25% | 0.17 | 1 | 476 | 0.89 | -0.54 | 0.06 | -0.03 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 22.00 | 4.20 | 4.70 | 4.45 | 4.63 | +0.93 | +25.14% | 0.20 | 1 | 28 | 0.93 | -0.59 | 0.06 | -0.02 | 7/27/2026 | 7/27/2026 4:00:10 PM EST |
| 23.00 | 4.90 | 5.40 | 5.15 | 4.90 | 0.00 | 0.00% | 0.22 | 0 | 66 | 0.91 | -0.64 | 0.06 | -0.02 | 7/24/2026 | 7/27/2026 4:00:10 PM EST |
| 24.00 | 5.70 | 6.30 | 6.00 | 4.73 | 0.00 | 0.00% | 0.25 | 0 | 2 | 0.94 | -0.69 | 0.06 | -0.02 | 7/17/2026 | 7/27/2026 4:00:10 PM EST |
| 25.00 | 6.10 | 7.70 | 6.90 | 5.50 | 0.00 | 0.00% | 0.28 | 0 | 18 | 0.94 | -0.73 | 0.05 | -0.02 | 7/21/2026 | 7/27/2026 4:00:10 PM EST |
| 26.00 | 6.80 | 8.20 | 7.50 | % | 0.29 | 0 | 0 | 1.17 | -0.76 | 0.05 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 27.00 | 7.60 | 9.00 | 8.30 | % | 0.31 | 0 | 0 | 1.16 | -0.80 | 0.04 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 28.00 | 8.50 | 9.90 | 9.20 | % | 0.33 | 0 | 0 | 1.18 | -0.82 | 0.04 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 29.00 | 9.40 | 11.20 | 10.30 | % | 0.36 | 0 | 0 | 1.37 | -0.84 | 0.04 | -0.02 | 7/27/2026 4:00:10 PM EST | |||
| 30.00 | 10.30 | 11.80 | 11.05 | % | 0.37 | 0 | 0 | 1.25 | -0.87 | 0.03 | -0.01 | 7/27/2026 4:00:10 PM EST | |||
| 31.00 | 11.20 | 12.70 | 11.95 | % | 0.39 | 0 | 0 | 1.26 | -0.88 | 0.03 | -0.01 | 7/27/2026 4:00:10 PM EST | |||
| 32.00 | 12.20 | 13.90 | 13.05 | % | 0.41 | 0 | 0 | 1.40 | -0.91 | 0.03 | -0.01 | 7/27/2026 4:00:10 PM EST |