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Century Aluminum Co CENX 39.09 0.08 0.21%

CENX Historical Options Analysis

Explore CENX (Century Aluminum Co) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.

Previous-day view · Mon Sep 21 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

CENX / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -1.31
12.36
Mean
39.54
Window
-68.9%
ATM IV z -1.02
0.6
Mean
0.71
Window
-4.5%
IV Percentile z -1.66
6.37
Mean
55.47
Window
-85.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.77 0.86
ATM IV 0.77 1.00 0.90
IV Percent... 0.86 0.90 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 39.09 12.36 0.6 6.37
2026-09-18 39.01 9.3 0.58 3.17
2026-09-17 40.75 14.76 0.62 11.51
2026-09-16 39.8 18.27 0.65 21.83
2026-09-15 39.71 14.94 0.62 12.3
2026-09-14 41.54 17.04 0.64 16.33
2026-09-11 44.05 13.8 0.62 11.11
2026-09-10 44.36 20.85 0.67 27.78
2026-09-09 47.69 17.81 0.65 21.83
2026-09-08 47.95 17.4 0.64 21.03
2026-09-07 46.81 17.61 0.65 21.12
2026-09-04 46.77 14.7 0.62 13.1
2026-09-03 47.51 11.6 0.6 8.73
2026-09-02 47.28 15.76 0.63 15.87
2026-09-01 46.78 15.73 0.63 15.54
2026-08-31 45.77 17.16 0.64 18.8
2026-08-28 46.59 14.9 0.62 15.14
2026-08-27 45.89 17.33 0.64 19.92
2026-08-26 43.95 17.85 0.65 21.51
2026-08-25 44.2 19.55 0.66 24.3
2026-08-24 43.66 20.73 0.67 26.8
2026-08-21 43.92 20 0.66 24.3
2026-08-20 43.4 19.28 0.65 23.9
2026-08-19 43.58 20.42 0.66 25.9
2026-08-18 45.66 14.01 0.61 16.33
2026-08-17 47.12 12.8 0.6 13.6
2026-08-14 46.72 15.63 0.62 17.93
2026-08-13 46.39 17.95 0.64 21.91
2026-08-12 48.17 19.16 0.65 24.3
2026-08-11 52.29 17.94 0.64 22.31
2026-08-10 51.88 18.12 0.64 23.2
2026-08-07 51.23 20.32 0.66 25.5
2026-08-06 45.95 32.31 0.76 50.6
2026-08-05 46.9 29.51 0.74 41.43
2026-08-04 47.12 30.97 0.75 44.22
2026-08-03 45.2 39.07 0.81 82.8
2026-07-31 44.77 40.36 0.82 85.26
2026-07-30 44.88 40.95 0.83 86.85
2026-07-29 42.66 35.97 0.79 74.1
2026-07-28 43.96 34.82 0.78 67.33
2026-07-27 44.87 34.58 0.78 67.2
2026-07-24 46.21 32.9 0.76 56.57
2026-07-23 46.36 33.09 0.76 58.17
2026-07-22 45.33 37.38 0.8 80.08
2026-07-21 44.8 37.35 0.8 79.68
2026-07-20 42.84 36.64 0.79 78.8
2026-07-17 41.5 34.13 0.77 65.74
2026-07-16 42.6 33.13 0.76 60.16
2026-07-15 43.94 34.43 0.77 67.73
2026-07-14 46.08 33.19 0.76 61.35