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Implied Movement: Monthly Straddle Tracking History
Get Straddle History:

 
West Pharmaceutical Services (WST) - NYSE Next Earnings Date: OS Estimate: July 23, 2026 BO
OS Projected Window: July 20, 2026 to July 25, 2026
EVR: 5.5
Avg Daily Volume: 934,889    Market Cap: 22.1B
Sector: Healthcare    Short Interest: 3.69
Live Interactive Chart
Days to Next Earnings: 72 Days

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Sample Chart


 
Long Straddle/Strangle Performance
 
Tracking Statistics Available: 56
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
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 $29.60
($246.16)
11.84% -7.58% I -1.03% I $243.61 $13.43
( $243.61 )
-54.63%
Oct. 23, 2025 BO 5.5 $277.00 @$280.00 Get the OptionSlam Edge ..... become an Insider Member to view the detailed report.
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
Oct. 26, 2023 BO 2.4 $358.00 @$360.00

 
 
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