Options Chain for CENTURY ALUM CO COM (CENX) - $46.72 as of 8/17/2026 1:22:57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25.00 | 20.40 | 24.20 | 22.30 | % | 0.89 | 0 | 0 | 6.32 | 1.00 | 0.00 | 0.00 | 8/17/2026 3:59:56 PM EST | |||
| 30.00 | 15.50 | 19.20 | 17.35 | 17.07 | 0.00 | 0.00% | 0.58 | 0 | 22 | 4.89 | 1.00 | 0.00 | 0.00 | 8/4/2026 | 8/17/2026 3:59:56 PM EST |
| 35.00 | 10.50 | 14.20 | 12.35 | 13.12 | 0.00 | 0.00% | 0.35 | 0 | 15 | 3.66 | 1.00 | 0.00 | 0.00 | 8/5/2026 | 8/17/2026 3:59:56 PM EST |
| 40.00 | 6.50 | 9.20 | 7.85 | 7.00 | 0.00 | 0.00% | 0.20 | 10 | 93 | 2.56 | 0.97 | 0.02 | -0.07 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 45.00 | 2.45 | 4.10 | 3.28 | 2.62 | -0.38 | -12.67% | 0.07 | 12 | 693 | 0.85 | 0.74 | 0.08 | -0.22 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 50.00 | 0.10 | 0.60 | 0.35 | 0.41 | -0.29 | -41.43% | 0.01 | 30 | 841 | 0.55 | 0.30 | 0.08 | -0.21 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 55.00 | 0.05 | 0.15 | 0.10 | 0.05 | -0.09 | -64.29% | 0.00 | 13 | 1,457 | 0.85 | 0.07 | 0.03 | -0.08 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 60.00 | 0.00 | 0.70 | 0.35 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 1,395 | 1.98 | 0.01 | 0.00 | -0.01 | 8/14/2026 | 8/17/2026 3:59:56 PM EST |
| 65.00 | 0.00 | 0.50 | 0.25 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 329 | 2.21 | 0.00 | 0.00 | 0.00 | 8/11/2026 | 8/17/2026 3:59:56 PM EST |
| 70.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 366 | 2.84 | 0.00 | 0.00 | 0.00 | 8/12/2026 | 8/17/2026 3:59:56 PM EST |
| 75.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 1,028 | 1.95 | 0.00 | 0.00 | 0.00 | 8/13/2026 | 8/17/2026 3:59:56 PM EST |
| 80.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 114 | 2.18 | 0.00 | 0.00 | 0.00 | 8/11/2026 | 8/17/2026 3:59:56 PM EST |
| 85.00 | 0.00 | 0.75 | 0.38 | 0.46 | 0.00 | 0.00% | 0.00 | 0 | 12 | 3.77 | 0.00 | 0.00 | 0.00 | 7/1/2026 | 8/17/2026 3:59:56 PM EST |
| 90.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.00 | 0 | 14 | 4.03 | 0.00 | 0.00 | 0.00 | 6/29/2026 | 8/17/2026 3:59:56 PM EST |
| 95.00 | 0.00 | 0.55 | 0.28 | 0.40 | 0.00 | 0.00% | 0.00 | 0 | 8 | 4.00 | 0.00 | 0.00 | 0.00 | 6/18/2026 | 8/17/2026 3:59:56 PM EST |
| 100.00 | 0.00 | 0.05 | 0.03 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 56 | 2.93 | 0.00 | 0.00 | 0.00 | 6/25/2026 | 8/17/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25.00 | 0.00 | 0.10 | 0.05 | % | 0.00 | 0 | 0 | 3.10 | 0.00 | 0.00 | 0.00 | 8/17/2026 3:59:56 PM EST | |||
| 30.00 | 0.00 | 0.15 | 0.08 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 253 | 2.48 | 0.00 | 0.00 | 0.00 | 8/13/2026 | 8/17/2026 3:59:56 PM EST |
| 35.00 | 0.00 | 0.15 | 0.08 | 0.10 | +0.05 | +100.00% | 0.00 | 2 | 331 | 1.75 | 0.00 | 0.00 | 0.00 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 40.00 | 0.00 | 0.25 | 0.13 | 0.05 | -0.07 | -58.34% | 0.00 | 4 | 608 | 1.24 | -0.03 | 0.02 | -0.07 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 45.00 | 0.45 | 0.80 | 0.63 | 0.52 | -0.23 | -30.67% | 0.01 | 140 | 694 | 0.81 | -0.26 | 0.08 | -0.22 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 50.00 | 2.45 | 4.10 | 3.28 | 3.50 | +0.10 | +2.95% | 0.07 | 10 | 1,050 | 1.26 | -0.70 | 0.08 | -0.21 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 55.00 | 7.00 | 8.40 | 7.70 | 7.82 | +0.12 | +1.56% | 0.14 | 5 | 261 | 1.51 | -0.93 | 0.03 | -0.08 | 8/17/2026 | 8/17/2026 3:59:56 PM EST |
| 60.00 | 10.90 | 14.60 | 12.75 | 11.20 | 0.00 | 0.00% | 0.21 | 0 | 2 | 2.90 | -0.99 | 0.00 | -0.01 | 8/13/2026 | 8/17/2026 3:59:56 PM EST |
| 65.00 | 15.80 | 19.70 | 17.75 | 22.10 | 0.00 | 0.00% | 0.27 | 0 | 0 | 3.48 | -1.00 | 0.00 | 0.00 | 7/1/2026 | 8/17/2026 3:59:56 PM EST |
| 70.00 | 20.80 | 24.70 | 22.75 | 14.70 | 0.00 | 0.00% | 0.33 | 0 | 0 | 3.92 | -1.00 | 0.00 | 0.00 | 5/21/2026 | 8/17/2026 3:59:56 PM EST |
| 75.00 | 25.80 | 29.70 | 27.75 | 28.80 | 0.00 | 0.00% | 0.37 | 0 | 0 | 4.33 | -1.00 | 0.00 | 0.00 | 7/6/2026 | 8/17/2026 3:59:56 PM EST |
| 80.00 | 30.90 | 34.70 | 32.80 | % | 0.41 | 0 | 0 | 4.69 | -1.00 | 0.00 | 0.00 | 8/17/2026 3:59:56 PM EST | |||
| 85.00 | 36.00 | 39.70 | 37.85 | % | 0.45 | 0 | 0 | 5.02 | -1.00 | 0.00 | 0.00 | 8/17/2026 3:59:56 PM EST | |||
| 90.00 | 40.90 | 44.70 | 42.80 | % | 0.48 | 0 | 0 | 5.33 | -1.00 | 0.00 | 0.00 | 8/17/2026 3:59:56 PM EST | |||
| 95.00 | 45.90 | 49.70 | 47.80 | % | 0.50 | 0 | 0 | 5.61 | -1.00 | 0.00 | 0.00 | 8/17/2026 3:59:56 PM EST | |||
| 100.00 | 51.80 | 54.70 | 53.25 | 51.60 | 0.00 | 0.00% | 0.53 | 0 | 0 | 5.88 | -1.00 | 0.00 | 0.00 | 8/12/2026 | 8/17/2026 3:59:56 PM EST |