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Implied Movement: Monthly Straddle Tracking History
Get Straddle History:

 
Prothena Corporation plc (PRTA) - NASDAQ Next Earnings Date: OS Estimate: Nov. 6, 2025 AC
OS Projected Window: Nov. 3, 2025 to Nov. 8, 2025
EVR: 3.7
Avg Daily Volume: 1,176,942    Market Cap: 441.4M
Sector: Healthcare    Short Interest: 8.12
Live Interactive Chart
Days to Next Earnings: 56 Days

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Long Straddle/Strangle Performance
 
Tracking Statistics Available: 47
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
Aug. 4, 2025 AC 3.8 $6.94 @$7.50 $2.72
($6.94)
36.27% 8.64% I 1.29% I $7.03 $1.25
( $7.03 )
-54.04%
May 8, 2025 AC 3.5 $7.10 @$7.50 $1.10
($7.10)
14.67% 13.8% I 4.64% I $7.43 $0.90
( $7.43 )
-18.18%
Feb. 20, 2025 AC 3.6 $15.25 @$15.00 Get the OptionSlam Edge ..... become an Insider Member to view the detailed report.
Nov. 12, 2024 AC 3.8 $17.36 @$17.50
Aug. 8, 2024 AC 3.3 $19.68 @$20.00
May 8, 2024 AC 3.3 $23.03 @$22.50
Feb. 15, 2024 AC 3.3 $28.52 @$30.00
Nov. 2, 2023 AC 3.0 $34.96 @$35.00
Aug. 3, 2023 AC 2.9 $66.53 @$65.00
May 4, 2023 AC 2.8 $70.16 @$70.00

 
 
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