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CENX

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $32.75 · Expirations before Oct 23, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
308 contracts / 7 expirationsClick OI for history
Nov 20, 2026EXPIRATION46 contracts / 23 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.50
Jump to ATM
CENX option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
10 10In the money 0 129.70% 20.00 5 5 0 135.88%
4 4In the money 0 120.49% 22.50 0 0 0New 96.16%
26 26In the money 0 38.84% 25.00 420 420 0 77.71%
0 0In the money 0New 74.02% 27.50 1 1 0 67.50%
40 138In the money +98 54.32% 30.00 781 783 +2 69.96%
75 380In the money +305 66.64% 32.50NEAREST ATM 115 172 +57 62.81%
STOCK PRICE $32.75
204 1,279 +1,075 66.70% 35.00 529 531In the money +2 70.50%
542 543 +1 64.64% 37.50 1 1In the money 0 69.79%
453 454 +1 70.71% 40.00 1,313 1,302In the money -11 76.79%
30 33 +3 71.57% 42.50 0 0In the money 0New 0.00%
1,722 1,723 +1 79.27% 45.00 530 530In the money 0 100.33%
7 8 +1 92.16% 47.50 0 0In the money 0New 0.00%
208 207 -1 84.97% 50.00 79 79In the money 0 77.81%
692 692 0 102.37% 55.00 1 1In the money 0 117.28%
385 385 0 135.33% 60.00 0 0In the money 0New 136.05%
245 245 0 111.82% 65.00 0 0In the money 0New 127.83%
126 126 0 159.83% 70.00 0 0In the money 0New 152.10%
39 39 0 170.41% 75.00 0 0In the money 0New 0.00%
2,353 2,353 0 180.12% 80.00 0 0In the money 0New 172.92%
84 84 0 179.71% 85.00 0 0In the money 0New 0.00%
114 114 0 187.80% 90.00 0 0In the money 0New 0.00%
12 12 0 205.20% 95.00 0 0In the money 0New 184.43%
64 64 0 212.48% 100.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION46 contracts / 23 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.50
Jump to ATM
CENX option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 87.61% 20.00 0 1 +1New 79.92%
0 0In the money 0New 0.00% 22.50 25 25 0 75.82%
2 2In the money 0 52.47% 25.00 50 63 +13 70.82%
0 0In the money 0New 67.06% 27.50 0 0 0New 65.78%
5 5In the money 0 57.02% 30.00 141 141 0 66.71%
7 277In the money +270 63.75% 32.50NEAREST ATM 32 32 0 62.35%
STOCK PRICE $32.75
59 107 +48 63.89% 35.00 1,160 1,160In the money 0 67.59%
40 5,724 +5,684 63.86% 37.50 2 2In the money 0 62.66%
224 227 +3 65.97% 40.00 796 797In the money +1 60.93%
23 31 +8 64.26% 42.50 0 0In the money 0New 68.41%
188 5,793 +5,605 66.35% 45.00 111 111In the money 0 84.51%
3 3 0 70.98% 47.50 0 0In the money 0New 67.07%
130 130 0 69.74% 50.00 69 69In the money 0 86.51%
134 134 0 88.60% 55.00 9 9In the money 0 0.00%
41 41 0 99.07% 60.00 1 1In the money 0 79.60%
88 88 0 107.11% 65.00 0 0In the money 0New 0.00%
27 27 0 112.64% 70.00 0 0In the money 0New 0.00%
29 29 0 121.63% 75.00 0 0In the money 0New 0.00%
9 9 0 128.57% 80.00 0 0In the money 0New 0.00%
23 23 0 134.97% 85.00 0 0In the money 0New 0.00%
10 10 0 140.92% 90.00 0 0In the money 0New 0.00%
24 24 0 139.45% 95.00 0 0In the money 0New 0.00%
28 28 0 151.67% 100.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION60 contracts / 30 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.00
Jump to ATM
CENX option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 320.88% 3.00 0 0 0New 242.99%
0 0In the money 0New 234.84% 5.00 0 0 0New 284.68%
2 2In the money 0 142.30% 8.00 12 12 0 194.56%
16 16In the money 0 155.39% 10.00 501 501 0 113.82%
54 54In the money 0 104.56% 12.00 185 185 0 145.93%
21 21In the money 0 102.17% 15.00 83 83 0 118.67%
46 46In the money 0 81.79% 17.00 92 92 0 102.42%
120 120In the money 0 65.40% 20.00 40 40 0 85.75%
45 45In the money 0 72.60% 22.00 11 11 0 71.74%
276 277In the money +1 73.26% 25.00 111 111 0 61.51%
41 41In the money 0 72.46% 27.00 83 83 0 67.71%
124 124In the money 0 63.94% 30.00 122 122 0 60.82%
106 106In the money 0 61.86% 32.00NEAREST ATM 31 31 0 62.06%
STOCK PRICE $32.75
319 319 0 62.97% 35.00 45 45In the money 0 63.02%
20 20 0 62.58% 37.00 539 539In the money 0 62.32%
215 215 0 62.63% 40.00 1,125 1,125In the money 0 63.38%
51 51 0 65.14% 42.00 78 78In the money 0 63.00%
131 131 0 66.67% 45.00 1,519 1,519In the money 0 68.19%
649 649 0 65.54% 47.00 18 18In the money 0 62.02%
1,207 1,207 0 58.66% 50.00 41 41In the money 0 56.68%
1,876 1,876 0 73.89% 55.00 37 37In the money 0 66.54%
1,668 1,648 -20 78.65% 60.00 0 0In the money 0New 0.00%
268 268 0 89.34% 65.00 0 0In the money 0New 0.00%
245 245 0 96.28% 70.00 0 0In the money 0New 0.00%
58 58 0 96.72% 75.00 0 0In the money 0New 0.00%
122 122 0 106.09% 80.00 0 0In the money 0New 0.00%
89 89 0 106.11% 85.00 0 0In the money 0New 0.00%
15 15 0 115.01% 90.00 0 0In the money 0New 0.00%
25 25 0 113.82% 95.00 0 0In the money 0New 0.00%
251 251 0 123.82% 100.00 0 0In the money 0New 0.00%
Mar 19, 2027EXPIRATION40 contracts / 20 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.50
Jump to ATM
CENX option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 77.78% 17.50 0 0 0New 71.16%
0 0In the money 0New 86.92% 20.00 1 1 0 80.24%
0 0In the money 0New 75.25% 22.50 101 101 0 64.94%
7 7In the money 0 64.96% 25.00 219 219 0 65.80%
0 0In the money 0New 64.59% 27.50 2 2 0 63.57%
3 3In the money 0 62.83% 30.00 1,033 1,033 0 59.37%
3 3In the money 0 66.95% 32.50NEAREST ATM 9 9 0 60.66%
STOCK PRICE $32.75
17 18 +1 61.92% 35.00 1,095 1,095In the money 0 60.34%
27 63 +36 64.70% 37.50 0 0In the money 0New 62.75%
29 40 +11 63.33% 40.00 79 79In the money 0 55.62%
3 45 +42 62.22% 42.50 0 0In the money 0New 61.65%
77 77 0 62.67% 45.00 62 62In the money 0 61.74%
1 3 +2 61.48% 47.50 0 0In the money 0New 58.42%
124 127 +3 62.68% 50.00 17 17In the money 0 73.70%
22 24 +2 63.54% 55.00 2 2In the money 0 66.20%
115 115 0 83.99% 60.00 1 1In the money 0 79.70%
49 49 0 65.60% 65.00 0 0In the money 0New 0.00%
96 96 0 92.10% 70.00 0 0In the money 0New 0.00%
18 18 0 68.53% 75.00 0 0In the money 0New 0.00%
30 30 0 80.77% 80.00 0 0In the money 0New 0.00%
Jun 17, 2027EXPIRATION28 contracts / 14 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.50
Jump to ATM
CENX option chain expiring 2027-06-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 71.25% 17.50 1 1 0 69.96%
0 0In the money 0New 73.34% 20.00 0 0 0New 68.88%
0 0In the money 0New 68.84% 22.50 0 0 0New 67.42%
0 0In the money 0New 66.09% 25.00 0 1 +1New 64.72%
0 0In the money 0New 61.43% 27.50 0 0 0New 65.59%
2 2In the money 0 63.88% 30.00 0 0 0New 63.95%
1 1In the money 0 63.90% 32.50NEAREST ATM 0 0 0New 62.44%
STOCK PRICE $32.75
1 1 0 64.00% 35.00 0 0In the money 0New 63.95%
1 1 0 61.94% 37.50 0 0In the money 0New 62.70%
0 0 0New 62.15% 40.00 0 0In the money 0New 62.21%
1 1 0 60.88% 42.50 0 0In the money 0New 63.12%
0 0 0New 62.18% 45.00 0 0In the money 0New 60.50%
0 0 0New 61.21% 47.50 0 0In the money 0New 64.96%
30 42 +12 61.34% 50.00 0 0In the money 0New 62.10%
Jan 21, 2028EXPIRATION52 contracts / 26 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.00
Jump to ATM
CENX option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
5 5In the money 0 72.46% 13.00 78 78 0 86.72%
15 15In the money 0 66.28% 15.00 26 26 0 71.10%
8 8In the money 0 66.94% 18.00 32 32 0 66.39%
4 4In the money 0 64.56% 20.00 40 40 0 60.84%
3 3In the money 0 68.35% 23.00 3 3 0 65.17%
23 23In the money 0 68.59% 25.00 12 12 0 64.63%
4 4In the money 0 65.46% 27.00 20 20 0 62.97%
45 45In the money 0 66.39% 30.00 90 91 +1 63.42%
10 10In the money 0 65.14% 32.00NEAREST ATM 3 3 0 65.11%
STOCK PRICE $32.75
35 38 +3 59.54% 35.00 80 80In the money 0 61.99%
18 18 0 65.63% 37.00 107 107In the money 0 60.66%
167 167 0 63.04% 40.00 12 12In the money 0 60.38%
63 63 0 61.87% 42.00 295 295In the money 0 59.13%
19 19 0 64.04% 45.00 36 36In the money 0 62.41%
63 70 +7 59.82% 47.00 3 3In the money 0 58.12%
52 52 0 60.71% 50.00 151 151In the money 0 57.68%
126 126 0 59.42% 55.00 5 5In the money 0 58.03%
79 79 0 60.06% 60.00 139 139In the money 0 58.48%
198 198 0 61.59% 65.00 2 2In the money 0 59.65%
294 294 0 61.01% 70.00 4 4In the money 0 56.42%
136 136 0 59.35% 75.00 1 1In the money 0 60.31%
191 191 0 62.07% 80.00 3 3In the money 0 63.92%
56 56 0 68.15% 85.00 0 0In the money 0New 67.29%
61 61 0 65.25% 90.00 0 0In the money 0New 70.46%
33 33 0 60.20% 95.00 0 0In the money 0New 73.45%
209 209 0 54.42% 100.00 0 0In the money 0New 76.27%
Jan 19, 2029EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$32.75Nearest ATM strike $32.50
Jump to ATM
CENX option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 61.59% 17.50 0 0 0New 68.54%
0 0In the money 0New 60.81% 20.00 4 4 0 67.23%
0 0In the money 0New 64.61% 22.50 3 3 0 62.06%
0 0In the money 0New 62.01% 25.00 1 1 0 60.72%
0 0In the money 0New 62.61% 27.50 0 0 0New 62.20%
1 1In the money 0 62.57% 30.00 1 1 0 61.32%
0 0In the money 0New 64.19% 32.50NEAREST ATM 0 0 0New 60.00%
STOCK PRICE $32.75
6 6 0 62.95% 35.00 50 50In the money 0 62.01%
0 0 0New 62.29% 37.50 0 0In the money 0New 61.54%
1 1 0 62.72% 40.00 2 2In the money 0 60.72%
0 0 0New 61.80% 42.50 0 0In the money 0New 61.19%
5 5 0 61.19% 45.00 15 15In the money 0 60.28%
0 0 0New 61.15% 47.50 0 0In the money 0New 60.94%
26 26 0 61.67% 50.00 10 10In the money 0 59.99%
11 11 0 59.14% 55.00 0 0In the money 0New 60.02%
0 0 0New 60.80% 60.00 0 0In the money 0New 60.53%
20 20 0 60.69% 65.00 0 0In the money 0New 58.93%
48 48 0 57.78% 70.00 0 0In the money 0New 58.89%

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