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PRTA as of Oct 31 · 18:10 ET
PRTANasdaqPharmaceutical Preparations

Prothena Corp Public Ltd Co · Brief

Next report

5 days

Nov 5 · after closeest.Q3 FY26
Earnings

Expected move

Inputs

Implied vs realized

8 reportsHistory
0 of 8≥ implied
avg implied
±19.6%
avg realized
±2.2%
Nov 12 '24±15.9%▼−0.75%×0.05
Feb 20 '25±6.4%▲+2.03%×0.32
May 8 '25±12.8%▲+4.65%×0.36
Aug 4 '25±37.6%▲+1.30%×0.03
Q3 FY25±16.1%▲+4.76%×0.30
Feb 19 '26±46.6%▼−0.11%×0.00
Q1 FY26±9.2%▲+2.00%×0.22
Q2 FY26±12.2%▲+2.10%×0.17
quarterimplied−50%0+50%realized×
Q2 FY26±12.2%▲+2.10%×0.17
Q1 FY26±9.2%▲+2.00%×0.22
Feb '26±46.6%▼−0.11%×0.00
Q3 FY25±16.1%▲+4.76%×0.30
Aug '25±37.6%▲+1.30%×0.03
May '25±12.8%▲+4.65%×0.36
2 older reports
Feb '25±6.4%▲+2.03%×0.32
Nov '24±15.9%▼−0.75%×0.05
Shaded = implied · tick ▲▼ = realized · × = |realized| ÷ impliedSource: options EOD · implied at prior close · realized close to close

Bull & bear

Nov 5 report · est.

Bull2

12supplier and customer ties disclosed in SEC filingsSEC filings
+2.90%shares held by the ten largest reporting managers over the latest quarter13F · Jun 30 '26

Bear2 of 3

8 of 8recent reports where the move came in under the options implied rangeEarnings history
0.13%of State Street SPDR S&P Biotech ETF's assets, the largest tracked-fund weightN-PORT · Jun 30 '26
AI captions · Sep 16 '26once per report · top 2 per case

Linked exposure

PRTA report session

No linked exposure.

Latest changes

30 daysAll changes
Oct 298-KMaterial agreement: exclusive global license agreement with Bristol Myers Squibb (terminated).Source
Oct 22impliedImplied move: ±48.6% into Nov 5 earnings (Oct 22 close).Source

Your note

privateThesis 0 · Decisions 0 · Observations 0

No thesis.