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Implied Movement: Monthly Straddle Tracking History
Get Straddle History:

 
West Pharmaceutical Services (WST) - NYSE Next Earnings Date: Estimated on Oct. 22, 2026
EVR: 5.4
Avg Daily Volume: 558,964    Market Cap: 25.5B
Sector: Healthcare    Short Interest: 3.12
Live Interactive Chart
Days to Next Earnings: 27 Days
Implied Move Monthly: 12.51%       Expires on: Nov. 20, 2026

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Sample Chart


 
Long Straddle/Strangle Performance
 
Tracking Statistics Available: 58
Earnings Date Pre-ER EVR IMPLIED MOVE APPROACHING EARNINGS Inside or Outside IMPL. Move
POST EARNINGS: At Market Close
Pre-ER Close Position Straddle @Trade Price Implied Move Max Move I/O Closing Move I/O Close Price Straddle @Trade Price Return
Oct. 22, 2026 BO None $0.00 @$370.00 $46.75
($373.60)
12.51% -None% -None% $0.00 $0.00
( N/A )
None%
July 23, 2026 BO 5.5 $358.41 @$360.00 $37.65
($358.41)
10.46% 7.69% I -0.81% I $355.48 $24.15
( $355.48 )
-35.86%
April 23, 2026 BO 5.8 $274.41 @$270.00 Get the OptionSlam Edge ..... become an Insider Member to view the detailed report.
Feb. 12, 2026 BO 5.9 $246.16 @$250.00
Oct. 23, 2025 BO 5.5 $277.00 @$280.00
July 24, 2025 BO 4.9 $227.31 @$230.00
April 24, 2025 BO 4.9 $218.18 @$220.00
Feb. 13, 2025 BO 3.6 $322.28 @$320.00
July 25, 2024 BO 3.1 $323.77 @$320.00
April 25, 2024 BO 3.2 $385.73 @$390.00

 
 
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