WST (West Pharmaceutical Services, Inc.)
Expected Move & Straddle Price History
The expected move for WST 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 WST Expected Move
30-Day Straddle
$24.15
7-Day Straddle
$24.15
Avg IV
0.4%
IV Rank
2%
Implied one-standard-deviation move through the next 30 days. Compare to WST'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.
WST Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | Avg IV | IV Rank |
|---|---|---|---|---|
| 20260723 | $24.15 | $24.15 | 0.4% | 2% |
| 20260722 | $37.65 | $37.65 | 0.5% | 10% |
| 20260721 | $39.60 | $39.60 | 0.6% | 12% |
| 20260720 | $39.15 | $39.15 | 0.6% | 14% |
| 20260716 | $43.70 | $6.83 | 0.5% | 10% |
| 20260715 | $43.60 | $7.85 | 0.5% | 8% |
| 20260714 | $43.75 | $9.22 | 0.6% | 12% |
| 20260713 | $46.15 | $10.55 | 0.5% | 9% |
| 20260710 | $45.75 | $11.98 | 0.5% | 9% |
| 20260709 | $46.65 | $13.35 | 0.5% | 10% |
| 20260708 | $46.70 | $15.10 | 0.5% | 9% |
| 20260707 | $47.05 | $14.80 | 0.5% | 10% |
| 20260706 | $46.85 | $15.85 | 0.5% | 8% |
| 20260702 | $16.90 | $16.90 | 0.5% | 7% |
| 20260701 | $17.85 | $17.85 | 0.6% | 15% |
| 20260630 | $19.65 | $19.65 | 0.5% | 8% |
| 20260629 | $19.40 | $19.40 | 0.5% | 7% |
| 20260626 | $19.35 | $19.35 | 0.4% | 1% |
| 20260625 | $20.85 | $20.85 | 0.5% | 10% |
| 20260624 | $21.00 | $21.00 | 0.5% | 11% |
| 20260623 | $20.85 | $20.85 | 0.4% | 2% |
| 20260622 | $21.10 | $21.10 | 0.4% | 1% |
| 20260618 | $21.80 | $4.75 | 0.5% | 7% |
| 20260617 | $23.00 | $8.70 | 0.5% | 9% |
| 20260616 | $23.45 | $7.95 | 0.4% | 1% |
| 20260615 | $24.45 | $8.85 | 0.4% | 0% |
| 20260613 | $25.80 | $10.95 | 0.4% | 0% |
| 20260612 | $25.75 | $10.95 | 0.5% | 5% |
| 20260611 | $27.15 | $12.40 | 0.5% | 6% |
| 20260610 | $27.95 | $14.45 | 0.5% | 6% |
| 20260609 | $29.10 | $15.80 | 0.4% | 3% |
| 20260608 | $28.05 | $15.15 | 0.5% | 6% |
| 20260605 | $28.20 | $17.15 | 0.4% | 3% |
| 20260604 | $28.65 | $17.10 | 0.4% | 0% |
| 20260603 | $29.70 | $18.00 | 0.4% | 4% |
| 20260602 | $18.20 | $18.20 | 1.0% | 40% |
| 20260601 | $19.00 | $19.00 | 0.9% | 31% |
| 20260529 | $20.05 | $20.05 | 0.7% | 19% |
| 20260528 | $20.00 | $20.00 | 0.8% | 29% |
| 20260527 | $21.25 | $21.25 | 0.6% | 15% |
| 20260526 | $22.20 | $22.20 | 0.8% | 28% |
| 20260522 | $22.05 | $22.05 | 0.7% | 23% |
| 20260521 | $22.65 | $22.65 | 0.7% | 21% |
| 20260520 | $23.30 | $23.30 | 0.6% | 16% |
| 20260519 | $24.35 | $24.35 | 0.6% | 13% |
| 20260518 | $24.20 | $24.20 | 0.7% | 20% |
| 20260515 | $25.80 | $4.90 | 0.6% | 14% |
| 20260514 | $26.25 | $6.38 | 0.5% | 10% |
| 20260513 | $26.00 | $8.93 | 0.5% | 6% |
| 20260512 | $24.55 | $7.98 | 0.5% | 6% |
| 20260511 | $26.15 | $9.95 | 0.6% | 15% |
| 20260510 | $26.25 | $11.35 | 0.7% | 17% |
| 20260508 | $59.48 | $57.20 | 1.5% | 70% |
| 20260507 | $26.10 | $11.40 | 0.6% | 16% |
| 20260506 | $25.80 | $13.93 | 0.6% | 11% |
| 20260505 | $26.75 | $13.65 | 0.6% | 12% |
| 20260504 | $26.65 | $15.00 | 0.6% | 13% |
| 20260502 | $15.60 | $15.60 | 0.9% | 32% |
| 20260501 | $15.70 | $15.70 | 0.6% | 15% |
| 20260430 | $16.70 | $16.70 | 0.7% | 18% |