WEST PHARMACEUTICAL SERVICES INC (WST) Most Active Options
The 19 most actively traded WEST PHARMACEUTICAL SERVICES INC (WST) option contracts at the latest daily snapshot, ranked by volume. Each row shows the contract's price, implied volatility, delta, open interest, and how today's volume compares with its own 30-day average — click a contract to analyze it in the OptiView platform.
Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Most Active WST Contracts
| Contract | Expiration | DTE | Last | IV | IV rank (30d) | Delta | Open interest | Volume | vs 30d avg |
|---|---|---|---|---|---|---|---|---|---|
| WST $400 call | Oct 16, 2026 | 53d | $1.75 | 24.8% | 40 | 0.11 | 0 | 30 | 13.1× avg |
| WST $450 call | Dec 18, 2026 | 116d | $3.00 | — | — | — | 0 | 30 | — |
| WST $350 put | Jan 15, 2027 | 144d | $26.80 | — | 2 | — | 52 | 26 | 34.7× avg |
| WST $390 call | Sep 18, 2026 | 25d | $0.85 | — | 30 | — | 40 | 14 | 1.6× avg |
| WST $350 call | Jan 15, 2027 | 144d | $33.12 | 34.3% | 76 | 0.59 | 17 | 14 | 46.2× avg |
| WST $370 call | Sep 18, 2026 | 25d | $2.70 | 0.0% | 0 | 1.00 | 37 | 8 | 1.2× avg |
| WST $350 put | Oct 16, 2026 | 53d | $12.90 | — | — | — | 0 | 6 | — |
| WST $340 call | Dec 17, 2027 | 480d | $74.42 | — | 87 | — | 2 | 4 | 14.5× avg |
| WST $330 put | Mar 19, 2027 | 207d | $24.80 | — | 13 | — | 1 | 4 | 39.8× avg |
| WST $350 call | Sep 18, 2026 | 25d | $10.54 | — | 57 | — | 292 | 3 | 0.3× avg |
| WST $340 put | Sep 18, 2026 | 25d | $5.10 | 0.0% | 0 | 1.00 | 61 | 3 | 2.0× avg |
| WST $400 call | Dec 18, 2026 | 116d | $11.96 | — | 74 | — | 24 | 3 | 21.9× avg |
| WST $350 call | Dec 18, 2026 | 116d | $31.12 | — | 79 | — | 3 | 2 | 7.2× avg |
| WST $340 call | Sep 18, 2026 | 25d | $17.16 | — | 61 | — | 16 | 2 | 0.2× avg |
| WST $360 call | Sep 18, 2026 | 25d | $5.38 | — | 41 | — | 75 | 2 | 0.3× avg |
| WST $390 call | Jan 15, 2027 | 144d | $16.95 | — | 72 | — | 2 | 1 | 7.3× avg |
| WST $380 call | Sep 18, 2026 | 25d | $1.60 | — | 29 | — | 17 | 1 | 0.1× avg |
| WST $330 put | Sep 18, 2026 | 25d | $2.55 | — | 4 | — | 8 | 1 | 0.2× avg |
| WST $400 call | Jan 15, 2027 | 144d | $14.80 | — | 72 | — | 302 | 1 | 7.3× avg |
Ranked by volume at the latest daily snapshot. "vs 30d avg" compares today's volume with the contract's own 30-day average.
The most active WST contract today is the $400 call expiring in 53 days, with 30 contracts traded. Calls dominate the most-active list (14 of the top 19), showing where trading interest concentrates.
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WST Options FAQ
Which WST option contract is most active today?
The most traded WST contract is the $400 call expiring Oct 16, 2026, with 30 contracts traded as of Aug 24, 2026.
How does OptiView rank the most active WST options?
The table lists the 19 WST contracts with the highest volume at the latest daily snapshot, alongside price, implied volatility, delta, open interest, and each contract's volume versus its own 30-day average.
Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.
Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.