Options Chain for UNITED MICROELECTRONICS CORP SPON ADR NEW (UMC) - $18.72 as of 8/9/2026 10:42:08 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 | 6.40 | 8.20 | 7.30 | % | 0.61 | 0 | 0 | 2.02 | 0.94 | 0.02 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 13.00 | 5.30 | 7.20 | 6.25 | % | 0.48 | 0 | 0 | 1.85 | 0.92 | 0.03 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 14.00 | 4.50 | 5.30 | 4.90 | 5.50 | 0.00 | 0.00% | 0.35 | 0 | 292 | 1.04 | 0.87 | 0.04 | -0.01 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 15.00 | 3.70 | 4.60 | 4.15 | 4.70 | 0.00 | 0.00% | 0.28 | 0 | 443 | 0.70 | 0.82 | 0.05 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 16.00 | 2.60 | 4.30 | 3.45 | 3.90 | 0.00 | 0.00% | 0.22 | 0 | 4 | 1.20 | 0.76 | 0.06 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 17.00 | 2.60 | 4.20 | 3.40 | 3.40 | 0.00 | 0.00% | 0.20 | 0 | 1,873 | 1.02 | 0.69 | 0.07 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 18.00 | 1.70 | 2.50 | 2.10 | 2.20 | -0.50 | -18.52% | 0.12 | 2 | 566 | 0.70 | 0.61 | 0.08 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 19.00 | 1.70 | 2.00 | 1.85 | 1.75 | -0.75 | -30.00% | 0.10 | 37 | 214 | 0.79 | 0.52 | 0.09 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 20.00 | 1.10 | 1.70 | 1.40 | 1.36 | -0.54 | -28.43% | 0.07 | 14 | 325 | 0.80 | 0.44 | 0.09 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 21.00 | 1.00 | 1.35 | 1.18 | 1.00 | -0.47 | -31.98% | 0.06 | 20 | 155 | 0.78 | 0.37 | 0.08 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 22.00 | 0.60 | 1.10 | 0.85 | 0.87 | -0.28 | -24.35% | 0.04 | 7 | 65 | 0.76 | 0.30 | 0.07 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 23.00 | 0.50 | 1.75 | 1.13 | 0.65 | -0.43 | -39.82% | 0.05 | 88 | 287 | 0.75 | 0.26 | 0.06 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 24.00 | 0.25 | 0.95 | 0.60 | 0.75 | 0.00 | 0.00% | 0.02 | 0 | 138 | 0.81 | 0.22 | 0.06 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 25.00 | 0.15 | 1.20 | 0.68 | 0.42 | -0.18 | -30.00% | 0.03 | 3 | 326 | 0.90 | 0.18 | 0.05 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 26.00 | 0.30 | 0.60 | 0.45 | 0.62 | 0.00 | 0.00% | 0.02 | 0 | 71 | 0.88 | 0.15 | 0.04 | -0.01 | 8/5/2026 | 8/7/2026 3:59:53 PM EST |
| 27.00 | 0.00 | 0.55 | 0.28 | 0.30 | -0.23 | -43.40% | 0.01 | 1 | 81 | 1.01 | 0.12 | 0.04 | -0.01 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 28.00 | 0.00 | 0.40 | 0.20 | 0.67 | 0.00 | 0.00% | 0.01 | 0 | 27 | 0.98 | 0.10 | 0.03 | -0.01 | 8/4/2026 | 8/7/2026 3:59:53 PM EST |
| 29.00 | 0.00 | 0.35 | 0.18 | 0.47 | 0.00 | 0.00% | 0.01 | 0 | 2 | 1.00 | 0.08 | 0.03 | -0.01 | 8/4/2026 | 8/7/2026 3:59:53 PM EST |
| 30.00 | 0.05 | 0.65 | 0.35 | 0.15 | -0.28 | -65.12% | 0.01 | 10 | 22 | 0.98 | 0.08 | 0.03 | -0.01 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 31.00 | 0.00 | 0.30 | 0.15 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 47 | 1.06 | 0.06 | 0.02 | -0.01 | 8/4/2026 | 8/7/2026 3:59:53 PM EST |
| 32.00 | 0.00 | 0.25 | 0.13 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 17 | 1.06 | 0.06 | 0.02 | -0.01 | 8/4/2026 | 8/7/2026 3:59:53 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 | 0.25 | 0.13 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 1,297 | 1.03 | -0.06 | 0.02 | -0.01 | 8/3/2026 | 8/7/2026 3:59:53 PM EST |
| 13.00 | 0.00 | 0.75 | 0.38 | 0.42 | 0.00 | 0.00% | 0.03 | 0 | 350 | 1.28 | -0.08 | 0.03 | -0.01 | 8/3/2026 | 8/7/2026 3:59:53 PM EST |
| 14.00 | 0.05 | 0.90 | 0.48 | 0.35 | 0.00 | 0.00% | 0.03 | 0 | 57 | 0.85 | -0.13 | 0.04 | -0.01 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 15.00 | 0.20 | 0.80 | 0.50 | 0.50 | 0.00 | 0.00% | 0.03 | 0 | 645 | 0.76 | -0.18 | 0.05 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 16.00 | 0.65 | 0.80 | 0.73 | 0.80 | +0.10 | +14.29% | 0.05 | 69 | 736 | 0.75 | -0.24 | 0.06 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 17.00 | 1.05 | 1.30 | 1.18 | 1.05 | 0.00 | 0.00% | 0.07 | 94 | 225 | 0.79 | -0.31 | 0.07 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 18.00 | 1.30 | 2.10 | 1.70 | 1.65 | +0.25 | +17.86% | 0.09 | 5 | 336 | 0.82 | -0.39 | 0.08 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 19.00 | 1.55 | 2.15 | 1.85 | 2.10 | +0.08 | +3.96% | 0.10 | 18 | 1,397 | 0.67 | -0.48 | 0.09 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 20.00 | 2.05 | 3.40 | 2.73 | 2.85 | +0.30 | +11.77% | 0.14 | 25 | 293 | 0.77 | -0.56 | 0.09 | -0.02 | 8/7/2026 | 8/7/2026 3:59:53 PM EST |
| 21.00 | 2.95 | 3.60 | 3.28 | 3.20 | 0.00 | 0.00% | 0.16 | 0 | 499 | 0.71 | -0.63 | 0.08 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 22.00 | 3.60 | 4.90 | 4.25 | 3.80 | 0.00 | 0.00% | 0.19 | 0 | 36 | 0.79 | -0.70 | 0.07 | -0.02 | 8/6/2026 | 8/7/2026 3:59:53 PM EST |
| 23.00 | 4.50 | 5.40 | 4.95 | 4.05 | 0.00 | 0.00% | 0.22 | 0 | 84 | 0.75 | -0.74 | 0.06 | -0.02 | 8/4/2026 | 8/7/2026 3:59:53 PM EST |
| 24.00 | 5.50 | 6.90 | 6.20 | 5.95 | 0.00 | 0.00% | 0.26 | 0 | 3 | 0.94 | -0.78 | 0.06 | -0.02 | 7/30/2026 | 8/7/2026 3:59:53 PM EST |
| 25.00 | 6.40 | 7.40 | 6.90 | 5.50 | 0.00 | 0.00% | 0.28 | 0 | 18 | 0.85 | -0.82 | 0.05 | -0.02 | 7/21/2026 | 8/7/2026 3:59:53 PM EST |
| 26.00 | 7.30 | 8.30 | 7.80 | % | 0.30 | 0 | 0 | 1.18 | -0.85 | 0.04 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 27.00 | 8.20 | 9.10 | 8.65 | % | 0.32 | 0 | 0 | 1.15 | -0.88 | 0.04 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 28.00 | 9.10 | 10.10 | 9.60 | 11.30 | 0.00 | 0.00% | 0.34 | 0 | 1 | 1.21 | -0.90 | 0.03 | -0.01 | 7/28/2026 | 8/7/2026 3:59:53 PM EST |
| 29.00 | 10.10 | 11.40 | 10.75 | % | 0.37 | 0 | 0 | 1.43 | -0.92 | 0.03 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 30.00 | 11.10 | 12.00 | 11.55 | % | 0.39 | 0 | 0 | 1.28 | -0.92 | 0.03 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 31.00 | 12.10 | 13.00 | 12.55 | % | 0.40 | 0 | 0 | 1.33 | -0.94 | 0.02 | -0.01 | 8/7/2026 3:59:53 PM EST | |||
| 32.00 | 13.00 | 14.00 | 13.50 | % | 0.42 | 0 | 0 | 1.38 | -0.94 | 0.02 | -0.01 | 8/7/2026 3:59:53 PM EST |