West Pharmaceutical Services Inc

WSTNYSE · USD
368.91USD-4.69 (-1.26%)
699

West Pharmaceutical Services Inc (WST) Expected Move

WST expected move through Oct 16, 2026 is 4.9%, with 21 days to expiration. The implied range is $350.54 to $387.29, based on the previous trading day's options prices.

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Tracking the WST expected move helps you see how far West Pharmaceutical Services Inc's options market is pricing the stock to travel over a given period — whether that's the next day, week, or earnings cycle. West Pharmaceutical Services Inc's expected move is derived directly from option premiums and gives you an objective range to plan trades, set strikes, and manage risk. Use our scanner to monitor the WST expected move for this week's options, in real time.

The expected move is typically calculated from at-the-money straddle prices (or a blend of straddles and strangles) and represents roughly a one-standard-deviation range over the chosen timeframe. For WST, comparing the implied expected move to actual realized moves over similar windows tells you whether the options market has historically overestimated or underestimated volatility. The WST expected move for this week's options pricing is especially useful for short-dated traders, earnings players, and anyone selling premium who needs to know where the market thinks West Pharmaceutical Services Inc is unlikely to go.

West Pharmaceutical Services, Inc. designs, manufactures, and sells containment and delivery systems for injectable drugs and healthcare products in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates in two segments, Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment offers stoppers and seals for injectable packaging systems; syringe and cartridge components, including custom solutions for the needs of injectable drug applications, as well as administration systems that enhance the safe delivery of drugs through advanced reconstitution, mixing, and transfer technologies; and films, coatings, washing, and vision inspection and sterilization processes and services to enhance the quality of packaging components.

It also provides drug containment solutions, including Crystal Zenith, a cyclic olefin polymer in the form of vials, syringes, and cartridges; and self-injection devices, as well as a range of integrated solutions, including analytical lab services, pre-approval primary packaging support and engineering development, regulatory expertise, and after-sales technical support. This segment serves biologic, generic, and pharmaceutical drug companies. The Contract-Manufactured Products segment is involved in the design, manufacture, and automated assembly of devices used in surgical, diagnostic, ophthalmic, injectable, and other drug delivery systems, as well as consumer products. It serves pharmaceutical, diagnostic, and medical device companies. The company distributes its products through its sales force and distribution network, as well as contract sales agents and regional distributors. West Pharmaceutical Services, Inc. was incorporated in 1923 and is headquartered in Exton, Pennsylvania.

Iron condors, weekly premium sales, directional swing trades — they all live or die by where the market thinks the stock won't go. Our scanner tracks the WST expected move across every expiration, benchmarks it against realized moves, and shows you when implied ranges are out of line with history. The West Pharmaceutical Services Inc expected move for this week's options is the fastest read on short-term risk, which gives you a quick way to interpret what the options market thinks about WST.

WST Price

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ExpirationDTEExpected move (USD)Expected move (%)Upper priceLower price
Oct 16, 202621$18.384.9%$387.29$350.54
Nov 20, 202656$46.8312.5%$415.74$322.09
Dec 18, 202684$50.9813.6%$419.89$317.94
Jan 15, 2027112$55.1514.8%$424.06$313.76

As of September 24, 2026

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Track the WST expected move across every expiration, filter by IV rank and liquidity, and trade around the range the market is already pricing in.

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