WLK (Westlake Corporation)
Expected Move & Straddle Price History
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).
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.
Current WLK Expected Move
30-Day Straddle
$4.62
7-Day Straddle
$4.62
Avg IV
0.8%
IV Rank
27%
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 | Avg IV | IV Rank |
|---|---|---|---|---|
| 20260901 | $4.62 | $4.62 | 0.8% | 27% |
| 20260831 | $5.90 | $5.90 | 0.8% | 32% |
| 20260828 | $5.50 | $5.50 | 0.8% | 25% |
| 20260827 | $5.95 | $5.95 | 0.7% | 17% |
| 20260826 | $5.28 | $5.28 | 0.7% | 17% |
| 20260825 | $5.97 | $5.97 | 0.7% | 20% |
| 20260824 | $6.65 | $6.65 | 0.7% | 14% |
| 20260821 | $7.35 | $1.02 | 0.7% | 12% |
| 20260820 | $7.50 | $2.17 | 0.6% | 5% |
| 20260819 | $7.17 | $2.88 | 0.6% | 1% |
| 20260818 | $7.35 | $3.70 | 0.6% | 9% |
| 20260817 | $7.55 | $2.78 | 0.6% | 7% |
| 20260814 | $7.33 | $2.75 | 0.6% | 3% |
| 20260813 | $7.90 | $2.73 | 0.6% | 4% |
| 20260812 | $8.73 | $3.58 | 0.6% | 5% |
| 20260811 | $8.57 | $4.10 | 0.6% | 5% |
| 20260810 | $8.53 | $4.42 | 0.6% | 4% |
| 20260806 | $9.95 | $7.00 | 0.6% | 3% |
| 20260805 | $6.93 | $6.93 | 0.8% | 35% |
| 20260804 | $6.72 | $6.72 | 0.9% | 42% |
| 20260803 | $7.32 | $7.32 | 0.9% | 46% |
| 20260731 | $8.45 | $8.45 | 0.8% | 32% |
| 20260730 | $8.82 | $8.82 | 0.8% | 34% |
| 20260729 | $8.55 | $8.55 | 0.9% | 38% |
| 20260728 | $9.50 | $9.50 | 0.8% | 31% |
| 20260727 | $9.45 | $9.45 | 0.8% | 29% |
| 20260724 | $9.60 | $9.60 | 0.7% | 22% |
| 20260723 | $9.28 | $9.28 | 0.7% | 21% |
| 20260722 | $10.45 | $10.45 | 0.7% | 19% |
| 20260721 | $9.43 | $9.43 | 0.7% | 17% |
| 20260720 | $10.07 | $10.07 | 0.7% | 17% |
| 20260716 | $11.15 | $3.40 | 0.7% | 11% |
| 20260715 | $10.25 | $5.20 | 0.7% | 11% |
| 20260714 | $11.15 | $5.25 | 0.7% | 13% |
| 20260713 | $10.85 | $4.08 | 0.7% | 17% |
| 20260710 | $10.25 | $3.10 | 0.7% | 11% |
| 20260709 | $11.60 | $4.40 | 0.7% | 15% |
| 20260708 | $12.50 | $4.80 | 0.7% | 16% |
| 20260707 | $11.75 | $4.60 | 0.7% | 11% |
| 20260706 | $11.30 | $4.05 | 0.7% | 11% |
| 20260702 | $5.92 | $5.92 | 1.3% | 100% |
| 20260701 | $6.47 | $6.47 | 1.3% | 100% |
| 20260630 | $5.90 | $5.90 | 1.3% | 100% |
| 20260629 | $6.32 | $6.32 | 1.2% | 100% |
| 20260626 | $6.68 | $6.68 | 1.1% | 89% |
| 20260625 | $7.30 | $7.30 | 1.1% | 87% |
| 20260624 | $7.25 | $7.25 | 1.1% | 92% |
| 20260623 | $7.18 | $7.18 | 1.1% | 84% |
| 20260622 | $7.57 | $7.57 | 1.0% | 67% |
| 20260618 | $7.92 | $2.27 | 0.9% | 64% |
| 20260617 | $8.55 | $3.50 | 1.0% | 70% |
| 20260616 | $7.60 | $4.47 | 0.9% | 57% |
| 20260615 | $7.52 | $5.90 | 0.9% | 54% |
| 20260613 | $9.70 | $5.25 | 0.9% | 50% |
| 20260612 | $9.65 | $5.25 | 0.9% | 50% |
| 20260611 | $10.65 | $6.82 | 0.9% | 52% |
| 20260610 | $11.35 | $6.08 | 0.9% | 54% |
| 20260609 | $11.25 | $5.65 | 0.8% | 46% |
| 20260608 | $10.90 | $6.57 | 0.8% | 42% |
| 20260605 | $10.10 | $7.20 | 0.8% | 41% |