Closed
⌘K
Sign in Sign up

Prothena Corporation plc Ordinary Shares PRTA 8.75 0.17 1.98%

PRTA Delta Exposure (DEX)

PRTA (Prothena Corporation plc Ordinary Shares): Compare call and put delta exposure by strike to understand directional positioning. Free delayed preview.

Previous-day view · Mon Sep 21 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
ATM IV
0.73
Put Call Ratio (OI)
0.55
Put Call Ratio (Vol)
0.657
IV Rank
16.6
IV Percentile
61.2
Max Pain
7

Delta exposure (2026-09-21)

Delta approximates how many cents the option moves for a $1 move in the underlying.

A 0.50 call gains ~$0.50 if the stock goes up $1. Delta also approximates the option's probability of finishing in the money.

DTE \text{DTE}
25.0
487.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-11.5
11.5
View values by strike
PRTA · Delta exposure · 2026-09-21. Delta-weighted share equivalents.
StrikeCallsPuts
3.00 189 0
5.00 1.94 K 0
6.00 808 -18.1 K
7.00 1.12 K -7.52 K
8.00 1.52 K -137
9.00 3.88 K -3.83 K
10.00 5.21 K -304
11.00 58.6 K -77.8
12.00 4.03 K -2.04 K
13.00 2.18 K 0
14.00 2.09 K 0
15.00 28.7 K -70.5
16.00 302 0
17.00 59 0
18.00 188 0
20.00 5.69 K 0