Net delta exposure for Prothena Corporation plc (PRTA) options was $1.67M per 1% move at the Nov 4, 2026 close. It has been positive on 20 of the last 20 trading days. Four weeks earlier, on Oct 7, 2026, it was $995.32K.
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Delta Exposure by Strike
Showing results for PRTA, 2026-11-20(m), calls & puts
Delta Exposure Stats
Showing results for PRTA, 2026-11-20(m), calls & puts
Net Delta Exposure by Expiration
Showing results for PRTA, 2026-11-20(m), calls & puts. View all expiries
| Expiration | Net DEX | Call DEX | Put DEX | Call Wall | Put Wall |
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PRTA Delta Exposure FAQ
What is delta exposure (DEX)?
Delta exposure estimates the dollar value of shares option dealers hold or owe as a hedge, per 1% move in the underlying.
Is PRTA delta exposure positive or negative?
Prothena net delta exposure was positive on Nov 4, 2026, at $1.67M. It has been positive on 20 of the last 20 trading days.
How has PRTA delta exposure changed recently?
Prothena net delta exposure went from $995.32K on Oct 7, 2026 to $1.67M on Nov 4, 2026. See the PRTA delta exposure history for a longer view.
What is Prothena Corporation plc?
Prothena Corp PLC is a late-stage clinical biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating neurodegenerative and rare and peripheral amyloid diseases.