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Implied Movement: Monthly Straddle Tracking History
Get Straddle History:

 
West Pharmaceutical Services (WST) - NYSE Next Earnings Date: Estimate: Oct. 22, 2026 BO
EVR: 5.4
Avg Daily Volume: 771,991    Market Cap: 24.9B
Sector: Healthcare    Short Interest: 3.35
Live Interactive Chart
Days to Next Earnings: 73 Days

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Sample Chart


 
Long Straddle/Strangle Performance
 
Tracking Statistics Available: 57
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
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 $32.10
($274.41)
11.89% 16.73% O 12.86% O $309.70 $42.80
( $309.70 )
33.33%
Feb. 12, 2026 BO 5.9 $246.16 @$250.00 Get the OptionSlam Edge ..... become an Insider Member to view the detailed report.
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
Feb. 15, 2024 BO 2.6 $408.19 @$410.00

 
 
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