Options Chain for UNITED MICROELECTRONICS CORP SPON ADR NEW (UMC) - $18.94 as of 8/11/2026 8:02:58 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 | 6.50 | 8.00 | 7.25 | % | 0.60 | 0 | 0 | 1.77 | 0.98 | 0.01 | 0.00 | 8/11/2026 3:59:56 PM EST | |||
| 13.00 | 5.90 | 6.60 | 6.25 | % | 0.48 | 0 | 0 | 1.25 | 0.96 | 0.02 | -0.01 | 8/11/2026 3:59:56 PM EST | |||
| 14.00 | 4.40 | 5.70 | 5.05 | 5.50 | 0.00 | 0.00% | 0.36 | 0 | 292 | 1.15 | 0.93 | 0.03 | -0.01 | 8/6/2026 | 8/11/2026 3:59:56 PM EST |
| 15.00 | 4.00 | 4.80 | 4.40 | 4.70 | 0.00 | 0.00% | 0.29 | 0 | 443 | 1.03 | 0.88 | 0.05 | -0.01 | 8/6/2026 | 8/11/2026 3:59:56 PM EST |
| 16.00 | 3.30 | 3.60 | 3.45 | 3.45 | -0.45 | -11.54% | 0.22 | 3 | 4 | 0.64 | 0.82 | 0.06 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 17.00 | 2.50 | 3.00 | 2.75 | 3.40 | 0.00 | 0.00% | 0.16 | 0 | 1,873 | 0.65 | 0.74 | 0.08 | -0.02 | 8/6/2026 | 8/11/2026 3:59:56 PM EST |
| 18.00 | 1.90 | 2.40 | 2.15 | 2.30 | 0.00 | 0.00% | 0.12 | 0 | 570 | 0.66 | 0.65 | 0.10 | -0.02 | 8/10/2026 | 8/11/2026 3:59:56 PM EST |
| 19.00 | 1.50 | 1.65 | 1.58 | 1.58 | -0.27 | -14.60% | 0.08 | 14 | 300 | 0.63 | 0.55 | 0.10 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 20.00 | 1.10 | 1.25 | 1.18 | 1.13 | -0.39 | -25.66% | 0.06 | 22,922 | 315 | 0.64 | 0.45 | 0.10 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 21.00 | 0.70 | 1.00 | 0.85 | 0.87 | -0.13 | -13.00% | 0.04 | 28 | 162 | 0.64 | 0.35 | 0.10 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 22.00 | 0.35 | 0.75 | 0.55 | 0.70 | -0.11 | -13.58% | 0.03 | 8 | 1,402 | 0.61 | 0.28 | 0.09 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 23.00 | 0.25 | 0.60 | 0.43 | 0.38 | -0.44 | -53.66% | 0.02 | 22,563 | 1,544 | 0.63 | 0.22 | 0.07 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 24.00 | 0.25 | 0.55 | 0.40 | 0.47 | -0.03 | -6.00% | 0.02 | 3 | 133 | 0.70 | 0.16 | 0.06 | -0.01 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 25.00 | 0.00 | 0.60 | 0.30 | 0.39 | 0.00 | 0.00% | 0.01 | 0 | 306 | 0.91 | 0.12 | 0.05 | -0.01 | 8/10/2026 | 8/11/2026 3:59:56 PM EST |
| 26.00 | 0.05 | 0.45 | 0.25 | 0.40 | -0.22 | -35.49% | 0.01 | 6 | 71 | 0.71 | 0.11 | 0.04 | -0.01 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 27.00 | 0.00 | 0.65 | 0.33 | 0.30 | 0.00 | 0.00% | 0.01 | 0 | 82 | 1.08 | 0.06 | 0.03 | -0.01 | 8/7/2026 | 8/11/2026 3:59:56 PM EST |
| 28.00 | 0.05 | 0.60 | 0.33 | 0.67 | 0.00 | 0.00% | 0.01 | 0 | 27 | 0.87 | 0.06 | 0.03 | -0.01 | 8/4/2026 | 8/11/2026 3:59:56 PM EST |
| 29.00 | 0.00 | 0.35 | 0.18 | 0.47 | 0.00 | 0.00% | 0.01 | 0 | 2 | 1.01 | 0.04 | 0.02 | 0.00 | 8/4/2026 | 8/11/2026 3:59:56 PM EST |
| 30.00 | 0.00 | 0.15 | 0.08 | 0.10 | -0.05 | -33.34% | 0.00 | 41 | 32 | 0.87 | 0.04 | 0.02 | 0.00 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 31.00 | 0.00 | 0.25 | 0.13 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 47 | 1.03 | 0.02 | 0.01 | 0.00 | 8/4/2026 | 8/11/2026 3:59:56 PM EST |
| 32.00 | 0.00 | 0.25 | 0.13 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 18 | 1.08 | 0.02 | 0.01 | 0.00 | 8/10/2026 | 8/11/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.00 | 0.00 | 0.10 | 0.05 | 0.10 | +0.03 | +42.86% | 0.00 | 20 | 1,291 | 0.90 | -0.02 | 0.01 | 0.00 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 13.00 | 0.00 | 0.25 | 0.13 | 0.42 | 0.00 | 0.00% | 0.01 | 0 | 350 | 0.96 | -0.04 | 0.02 | -0.01 | 8/3/2026 | 8/11/2026 3:59:56 PM EST |
| 14.00 | 0.10 | 0.30 | 0.20 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 56 | 0.75 | -0.07 | 0.03 | -0.01 | 8/10/2026 | 8/11/2026 3:59:56 PM EST |
| 15.00 | 0.05 | 0.40 | 0.23 | 0.35 | 0.00 | 0.00% | 0.02 | 10 | 632 | 0.62 | -0.12 | 0.05 | -0.01 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 16.00 | 0.40 | 0.50 | 0.45 | 0.45 | -0.17 | -27.42% | 0.03 | 9 | 805 | 0.67 | -0.18 | 0.06 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 17.00 | 0.60 | 0.70 | 0.65 | 0.90 | 0.00 | 0.00% | 0.04 | 0 | 285 | 0.63 | -0.26 | 0.08 | -0.02 | 8/10/2026 | 8/11/2026 3:59:56 PM EST |
| 18.00 | 0.90 | 1.10 | 1.00 | 1.05 | -0.30 | -22.23% | 0.06 | 162 | 347 | 0.62 | -0.35 | 0.10 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 19.00 | 1.25 | 1.65 | 1.45 | 1.55 | -0.55 | -26.19% | 0.08 | 2,041 | 1,380 | 0.61 | -0.45 | 0.10 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 20.00 | 1.85 | 2.30 | 2.08 | 2.15 | -0.35 | -14.00% | 0.10 | 107 | 298 | 0.62 | -0.55 | 0.10 | -0.02 | 8/11/2026 | 8/11/2026 3:59:56 PM EST |
| 21.00 | 2.55 | 3.10 | 2.83 | 3.20 | 0.00 | 0.00% | 0.13 | 0 | 499 | 0.65 | -0.65 | 0.10 | -0.02 | 8/6/2026 | 8/11/2026 3:59:56 PM EST |
| 22.00 | 3.40 | 3.90 | 3.65 | 3.80 | 0.00 | 0.00% | 0.17 | 0 | 36 | 0.69 | -0.72 | 0.09 | -0.02 | 8/6/2026 | 8/11/2026 3:59:56 PM EST |
| 23.00 | 4.30 | 4.70 | 4.50 | 4.05 | 0.00 | 0.00% | 0.20 | 0 | 84 | 0.71 | -0.78 | 0.07 | -0.02 | 8/4/2026 | 8/11/2026 3:59:56 PM EST |
| 24.00 | 4.90 | 5.70 | 5.30 | 5.95 | 0.00 | 0.00% | 0.22 | 0 | 3 | 0.91 | -0.84 | 0.06 | -0.01 | 7/30/2026 | 8/11/2026 3:59:56 PM EST |
| 25.00 | 5.90 | 6.50 | 6.20 | 5.50 | 0.00 | 0.00% | 0.25 | 0 | 18 | 0.88 | -0.88 | 0.05 | -0.01 | 7/21/2026 | 8/11/2026 3:59:56 PM EST |
| 26.00 | 6.70 | 7.50 | 7.10 | % | 0.27 | 0 | 0 | 0.96 | -0.89 | 0.04 | -0.01 | 8/11/2026 3:59:56 PM EST | |||
| 27.00 | 7.60 | 8.40 | 8.00 | % | 0.30 | 0 | 0 | 0.96 | -0.94 | 0.03 | -0.01 | 8/11/2026 3:59:56 PM EST | |||
| 28.00 | 8.70 | 9.40 | 9.05 | 8.95 | 0.00 | 0.00% | 0.32 | 0 | 11 | 1.03 | -0.94 | 0.03 | -0.01 | 8/10/2026 | 8/11/2026 3:59:56 PM EST |
| 29.00 | 9.50 | 10.40 | 9.95 | % | 0.34 | 0 | 0 | 1.09 | -0.96 | 0.02 | 0.00 | 8/11/2026 3:59:56 PM EST | |||
| 30.00 | 10.50 | 11.30 | 10.90 | % | 0.36 | 0 | 0 | 1.07 | -0.96 | 0.02 | 0.00 | 8/11/2026 3:59:56 PM EST | |||
| 31.00 | 11.40 | 12.30 | 11.85 | % | 0.38 | 0 | 0 | 1.12 | -0.98 | 0.01 | 0.00 | 8/11/2026 3:59:56 PM EST | |||
| 32.00 | 12.40 | 13.50 | 12.95 | % | 0.40 | 0 | 0 | 1.33 | -0.98 | 0.01 | 0.00 | 8/11/2026 3:59:56 PM EST |