CENX · Expected Move
Century Aluminum Co
The expected move for CENX is derived from at-the-money straddle pricing — the market's implied one-standard-deviation move through the next 30 days. Comparing it to realized moves reveals when options are pricing in too much (premium-selling regime) vs too little (premium-buying regime).
CENX straddle price & implied vol
60 sessionsBars: at-the-money straddle price (30-day and 7-day) — the market's priced move. Line: 30-day at-the-money implied volatility (right axis).
Current CENX Expected Move
30-Day Straddle
$5.55
7-Day Straddle
$0.38
30-Day ATM IV
64.5%
IV Rank
21%
Implied one-standard-deviation move through the next 30 days. Compare to CENX's realized
move over the same window to gauge whether options are pricing in too much (premium-selling regime)
or too little (premium-buying regime). The
Expected Move Tracker ranks every symbol by
this measure.
CENX Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261016 | $5.55 | $0.38 | 64.5% | 21% |
| 20261015 | $5.55 | $1.35 | 62.7% | 13% |
| 20261014 | $5.10 | $1.15 | 61.2% | 8% |
| 20261013 | $5.62 | $1.93 | 62.8% | 14% |
| 20261012 | $5.60 | $1.90 | 61.8% | 10% |
| 20261009 | $6.53 | $2.48 | 64.4% | 20% |
| 20261008 | $6.45 | $2.65 | 63.2% | 15% |
| 20261007 | $6.20 | $2.67 | 62.1% | 11% |
| 20261006 | $6.80 | $3.03 | 63.0% | 14% |
| 20261005 | $6.50 | $3.48 | 61.6% | 9% |
| 20261002 | $2.97 | $2.97 | 63.2% | 15% |
| 20261001 | $3.53 | $3.53 | 61.9% | 10% |
| 20260930 | $3.78 | $3.78 | 63.4% | 16% |
| 20260929 | $3.60 | $3.60 | 61.6% | 9% |
| 20260928 | $4.33 | $4.33 | 61.1% | 7% |
| 20260925 | $4.53 | $4.53 | 61.2% | 7% |
| 20260924 | $4.60 | $4.60 | 61.0% | 7% |
| 20260923 | $4.55 | $4.55 | 59.3% | 0% |
| 20260922 | $5.10 | $5.10 | 63.9% | 18% |
| 20260921 | $5.12 | $5.12 | 62.5% | 12% |
| 20260918 | $5.30 | $0.53 | 60.4% | 4% |
| 20260917 | $5.90 | $1.10 | 63.6% | 17% |
| 20260916 | $6.05 | $1.90 | 66.6% | 29% |
| 20260915 | $5.78 | $2.23 | 62.5% | 12% |
| 20260914 | $6.17 | $2.72 | 62.9% | 14% |
| 20260911 | $7.20 | $3.35 | 65.2% | 23% |
| 20260910 | $6.78 | $3.20 | 61.1% | 7% |
| 20260909 | $8.50 | $3.85 | 64.4% | 20% |
| 20260908 | $8.03 | $4.28 | 63.6% | 17% |
| 20260904 | $8.35 | $4.47 | 63.3% | 16% |
| 20260903 | $8.25 | $4.65 | 60.1% | 3% |
| 20260902 | $4.90 | $4.90 | 61.3% | 8% |
| 20260901 | $4.85 | $4.85 | 61.6% | 9% |
| 20260831 | $5.18 | $5.18 | 63.8% | 18% |
| 20260828 | $5.65 | $5.65 | 65.0% | 22% |
| 20260827 | $5.65 | $5.65 | 65.4% | 24% |
| 20260826 | $5.65 | $5.65 | 65.4% | 24% |
| 20260825 | $6.33 | $6.33 | 68.3% | 36% |
| 20260824 | $5.97 | $5.97 | 66.9% | 30% |
| 20260821 | $6.28 | $2.33 | 65.7% | 25% |
| 20260820 | $6.43 | $2.27 | 65.0% | 22% |
| 20260819 | $6.12 | $2.55 | 62.5% | 13% |
| 20260818 | $6.25 | $2.75 | 59.4% | 0% |
| 20260817 | $6.70 | $3.90 | 60.3% | 0% |
| 20260814 | $7.47 | $3.83 | 64.6% | 11% |
| 20260813 | $7.70 | $3.40 | 65.4% | 14% |
| 20260812 | $7.58 | $4.10 | 62.2% | 0% |
| 20260811 | $8.95 | $4.33 | 63.5% | 0% |
| 20260810 | $8.70 | $4.78 | 63.6% | 0% |
| 20260807 | — | — | 68.0% | 5% |
| 20260806 | $9.95 | $7.38 | 78.4% | 61% |
| 20260805 | $6.78 | $6.78 | 79.4% | 66% |
| 20260804 | $6.92 | $6.92 | 84.4% | 93% |
| 20260803 | $6.85 | $6.85 | 80.7% | 73% |
| 20260731 | $6.90 | $6.90 | 78.1% | 59% |
| 20260730 | $6.92 | $6.92 | 77.7% | 57% |
| 20260729 | $6.97 | $6.97 | 76.3% | 49% |
| 20260728 | $7.28 | $7.28 | 77.0% | 53% |
| 20260727 | $7.55 | $7.55 | 78.9% | 63% |
| 20260724 | $8.15 | $8.15 | 78.5% | 61% |
More on CENX
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.