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Best strikes for WST covered calls — top pick $290 with 38.1% annualized return.
West Pharmaceutical Services — Top covered call setups ranked by yield and downside protection
West Pharmaceutical Services (WST) is a Healthcare stock with actively traded listed options. Among current candidates, the strongest income setup sits at the $290 strike with 29 days to expiration. IV Rank 31% is 5pp below the Healthcare sector median of 36%. This setup offers higher income potential, but caps upside at the strike. WST wheel strategy.
Strike Placement
38.1% ann.Ranked #1 of 2 contracts by CC Score — balancing call yield, downside protection, and liquidity.
CC Score = Income (22%) + Safety (18%) + Liquidity (18%) + Quality (14%) + Event (12%) + IV (8%) + Execution (8%)Annualized return, delta, bid-ask spread, open interest, earnings proximity, IV rank, DTE
VolRadar proprietary composite score using ORATS chain data
CC Score optimizes for income generation, not total return. Covered calls cap upside — stocks that rally strongly will underperform a buy-and-hold approach. Past CC returns do not predict future yields.
Every covered call strike sorted by CC Score. Higher score = better risk-adjusted income potential.
★ = Highest risk-adjusted CC Score across all expirations and strikes.
| Strike | Premium | Ann. Yield* | Score |
|---|---|---|---|
| $290★ TOP | $8.30 | 38.1% | 53 |
| $280 | $12.05 | 55.4% |
Quantitative screening, not investment advice. Verify with your broker. Disclaimer
West Pharmaceutical Services's IV Rank is 31%, indicating premiums are thinner than usual. In low-IV environments, covered call sellers may need to move closer to the money or use shorter DTE to maintain meaningful yield. Be aware that closer strikes increase assignment probability.
West Pharmaceutical Services's top CC strike has a delta of 0.36, above the 0.35 threshold. Higher-delta covered calls generate more premium income but face greater assignment probability. If you are comfortable being called away at $290, this strike maximizes income. Otherwise, consider the next OTM strike for more room.
The bid-ask spread is 24.1% on the top-ranked strike with open interest of 23. Wider spreads increase slippage — the difference between the theoretical mid-price and your actual fill. Use limit orders at or near the mid price, avoid market orders, and consider whether the spread erodes a meaningful portion of the premium collected. If fills are consistently poor, look at more liquid expirations or strikes closer to the money.
The top-ranked covered call for West Pharmaceutical Services is the $290 strike expiring 2026-05-15 (29 DTE), offering 38.1% annualized return with a delta of 0.36. It earns a CC Score of 53 out of 100. Data is updated daily after market close.
For West Pharmaceutical Services, delta 0.20–0.30 is a common range for covered calls. This gives 70–80% probability of the option expiring worthless while collecting meaningful premium. Lower delta (0.15–0.20) is more conservative, while 0.30–0.40 generates more income but has higher assignment probability.
The CC Score (0–100) ranks covered call opportunities across 7 dimensions: Income potential (22%), Safety (18%), Liquidity (18%), Underlying Quality (14%), Event Safety (12%), IV Opportunity (8%), and Execution Quality (8%). Higher scores mean better risk-adjusted opportunities. Sort by CC Score to find the best strike and expiration combo for West Pharmaceutical Services.
Free embeddable tool: IV Rank Gauge — add live IV data to any site. No signup, no API key.
This is ★ Top Ranked of 2 contracts across 1 expirations. ↓ Find it below
| 52 |
*Annualized yield assumes hold to expiration with no early assignment. Actual results may vary.
Weekly covered calls (7–14 DTE) offer faster theta decay and more flexibility but require active management. Monthly covered calls (30–45 DTE) balance time premium with less frequent rolling. For West Pharmaceutical Services, current elevated IV makes both viable — weeklies capture the rich premium faster. The CC Score ranks both DTE ranges so you can compare directly.
The primary risk is capped upside: if West Pharmaceutical Services rallies sharply, you are obligated to sell at the strike price and miss gains above it. At the current top-ranked $290 strike (5.9% OTM), any rally beyond that level means you sell shares below market price. To contextualize: covered calls are best suited for sideways-to-mildly-bullish outlooks. If you expect a significant move higher, consider waiting to sell the call or using a wider strike. The CC Score penalizes strikes with elevated event risk to help you avoid the worst setups.
West Pharmaceutical Services's IV Rank is 31%, which is relatively low. Premiums may be thin. Consider waiting for IV to rise, using shorter DTE to maintain adequate annualized returns, or moving closer to the money if you are comfortable with the assignment risk.
West Pharmaceutical Services's top covered call shows 38.1% annualized. High annualized returns typically result from elevated IV, shorter DTE (which amplifies annualization), or closer-to-the-money strikes. Always check the CC Score — it penalizes strikes with poor liquidity or excessive event risk that may inflate the headline yield.