WLK · Expected Move
Westlake Corporation
The expected move for WLK 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).
WLK 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 WLK Expected Move
30-Day Straddle
$7.35
7-Day Straddle
$3.12
30-Day ATM IV
46.5%
IV Rank
48%
Implied one-standard-deviation move through the next 30 days. Compare to WLK'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.
WLK Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261016 | $7.35 | $3.12 | 46.5% | 48% |
| 20261015 | $7.90 | $2.82 | 47.4% | 51% |
| 20261014 | $7.60 | $3.17 | 48.0% | 54% |
| 20261013 | $8.07 | $3.45 | 49.7% | 60% |
| 20261012 | $7.45 | $3.05 | 45.2% | 43% |
| 20261009 | $7.45 | $3.50 | 42.4% | 32% |
| 20261008 | $8.28 | $3.70 | 48.7% | 56% |
| 20261007 | $7.67 | $4.17 | 47.6% | 52% |
| 20261006 | $8.70 | $3.20 | 46.8% | 49% |
| 20261005 | $8.20 | $3.70 | 44.4% | 39% |
| 20261002 | $3.82 | $3.82 | 43.7% | 37% |
| 20261001 | $3.50 | $3.50 | 47.9% | 53% |
| 20260930 | $5.58 | $5.58 | 47.0% | 50% |
| 20260929 | $4.92 | $4.92 | 48.0% | 54% |
| 20260928 | $4.75 | $4.75 | 44.6% | 40% |
| 20260925 | $5.90 | $5.90 | 40.4% | 24% |
| 20260924 | $4.38 | $4.38 | 43.1% | 34% |
| 20260923 | $5.40 | $5.40 | 39.4% | 20% |
| 20260922 | $6.22 | $6.22 | 45.7% | 44% |
| 20260921 | $5.60 | $5.60 | 40.6% | 25% |
| 20260918 | $6.00 | $3.23 | 39.8% | 21% |
| 20260917 | $6.12 | $4.12 | 38.7% | 17% |
| 20260916 | $6.60 | $4.95 | 41.4% | 28% |
| 20260915 | $5.80 | $2.15 | 35.9% | 6% |
| 20260914 | $7.22 | $5.05 | 42.6% | 33% |
| 20260911 | $5.75 | $3.23 | 34.4% | 0% |
| 20260910 | $7.88 | $4.47 | 41.6% | 27% |
| 20260909 | $7.30 | $4.47 | 39.1% | 17% |
| 20260908 | $6.55 | $4.18 | 35.3% | 2% |
| 20260904 | $6.70 | $4.75 | 34.8% | 0% |
| 20260903 | $7.10 | $5.03 | 37.0% | 6% |
| 20260902 | $4.97 | $4.97 | 37.2% | 6% |
| 20260901 | $4.62 | $4.62 | 39.1% | 14% |
| 20260831 | $5.90 | $5.90 | 43.0% | 28% |
| 20260828 | $5.50 | $5.50 | 38.1% | 9% |
| 20260827 | $5.95 | $5.95 | 40.9% | 19% |
| 20260826 | $5.28 | $5.28 | 39.0% | 12% |
| 20260825 | $5.97 | $5.97 | 39.3% | 13% |
| 20260824 | $6.65 | $6.65 | 41.0% | 19% |
| 20260821 | $7.35 | $1.02 | 42.0% | 23% |
| 20260820 | $7.50 | $2.17 | 40.5% | 18% |
| 20260819 | $7.17 | $2.88 | 38.7% | 11% |
| 20260818 | $7.35 | $3.70 | 37.1% | 6% |
| 20260817 | $7.55 | $2.78 | 39.7% | 14% |
| 20260814 | $7.33 | $2.75 | 37.1% | 6% |
| 20260813 | $7.90 | $2.73 | 39.2% | 13% |
| 20260812 | $8.73 | $3.58 | 42.0% | 23% |
| 20260811 | $8.57 | $4.10 | 41.7% | 21% |
| 20260810 | $8.53 | $4.42 | 40.3% | 17% |
| 20260807 | — | — | 46.3% | 38% |
| 20260806 | $9.95 | $7.00 | 47.0% | 40% |
| 20260805 | $6.93 | $6.93 | 44.8% | 33% |
| 20260804 | $6.72 | $6.72 | 47.1% | 41% |
| 20260803 | $7.32 | $7.32 | 57.0% | 75% |
| 20260731 | $8.45 | $8.45 | 58.6% | 81% |
| 20260730 | $8.82 | $8.82 | 56.6% | 74% |
| 20260729 | $8.55 | $8.55 | 55.4% | 70% |
| 20260728 | $9.50 | $9.50 | 59.8% | 85% |
| 20260727 | $9.45 | $9.45 | 58.8% | 81% |
| 20260724 | $9.60 | $9.60 | 57.7% | 78% |
More on WLK
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.