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
$28.05
7-Day Straddle
$15.15
Avg IV
0.5%
IV Rank
6%
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 |
|---|---|---|---|---|
| 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% |
| 20260429 | $17.60 | $17.60 | 0.6% | 15% |
| 20260428 | $44.05 | $44.05 | 2.0% | 100% |
| 20260427 | $17.95 | $17.95 | 0.5% | 24% |
| 20260424 | $19.75 | $19.75 | 0.7% | 47% |
| 20260423 | $21.55 | $21.55 | 0.5% | 22% |
| 20260422 | $32.10 | $32.10 | 0.7% | 41% |
| 20260421 | $31.80 | $31.80 | 0.7% | 55% |
| 20260420 | $31.05 | $31.05 | 0.6% | 41% |
| 20260417 | $31.70 | $6.00 | 0.7% | 44% |
| 20260416 | $32.00 | $5.10 | 0.6% | 39% |
| 20260415 | $33.65 | $8.40 | 0.6% | 38% |
| 20260414 | $33.90 | $7.53 | 0.6% | 39% |
| 20260413 | $34.90 | $9.20 | 0.6% | 38% |
| 20260410 | $37.75 | $12.05 | 0.6% | 39% |
| 20260409 | $36.60 | $11.35 | 0.6% | 42% |
| 20260408 | $38.00 | $13.02 | 0.6% | 34% |
| 20260407 | $38.45 | $16.05 | 0.7% | 44% |
| 20260406 | $38.05 | $15.00 | 0.6% | 38% |
| 20260402 | $39.60 | $17.60 | 0.6% | 40% |
| 20260401 | $16.75 | $16.75 | 0.7% | 44% |
| 20260331 | $17.80 | $17.80 | 0.7% | 47% |
| 20260330 | $19.40 | $19.40 | 0.5% | 28% |
| 20260327 | $20.10 | $20.10 | 0.6% | 32% |
| 20260326 | $19.90 | $19.90 | 0.5% | 26% |
| 20260325 | $18.60 | $18.60 | 0.4% | 9% |
| 20260324 | $19.65 | $19.65 | 0.6% | 31% |
| 20260323 | $20.15 | $20.15 | 0.6% | 34% |
| 20260320 | $20.80 | $4.33 | 0.5% | 23% |
| 20260319 | $21.10 | $5.78 | 0.5% | 28% |
| 20260318 | $20.45 | $6.12 | 0.4% | 14% |
| 20260317 | $18.95 | $5.80 | 0.5% | 19% |