PRTA Earnings Reaction History
Prothena Corporation plc
EPS, Revenue, Stock Move
PRTA stock falls 0.1% on average on the first trading day after earnings.
When PRTA delivers a double beat, the stock rises 2.5% on average on the first trading day.
Across 40 releases, PRTA has delivered a positive next-day return 45.0% of the time.
Reaction Snapshot (Avg Day 1-3)
Day 1
-0.12%
Day 2
+0.34%
Day 3
-0.20%
Conditioned Moves (Day 1 Basis)
Double Beat
+2.47%
Mixed
-0.91%
Double Miss
+0.02%
EPS Beat Rate
47.5%
Revenue Beat Rate
37.5%
Positive Rate
45.0%
Both Beat Rate
15.0%
Recent Earnings History
| Date | EPS | Revenue | Day 1 | Day 2 | Day 3 | Detail |
|---|---|---|---|---|---|---|
| 2026-05-07 | Beat+267.74% | Beat+6215.17% | +2.00% | -9.88% | -2.48% | Open |
| 2026-02-19 | Miss±0.00% | Miss-98.43% | -0.11% | +0.55% | -1.10% | Open |
| 2025-11-06 | Miss-11.67% | Beat+262.25% | +4.76% | -0.28% | -0.47% | Open |
| 2025-08-04 | Miss-67.57% | Miss-33.42% | +1.30% | +12.66% | -2.53% | Open |
| 2025-05-08 | Miss-21.74% | Miss-81.56% | +4.65% | +2.42% | -0.26% | Open |
| 2025-02-20 | Miss-5.88% | Miss-71.82% | +2.03% | -2.12% | -3.94% | Open |
| 2024-11-12 | Beat+6.78% | Miss-21.14% | -0.75% | -6.56% | -12.98% | Open |
| 2024-08-08 | Beat+220.79% | Beat+1130.33% | +4.42% | -2.09% | -0.70% | Open |
FAQ
How much does PRTA usually move after earnings?
PRTA moves about 0.1% on average on the first trading day after earnings. Net average direction is -0.12%.
What is PRTA's biggest post-earnings gain?
PRTA's largest recorded next-day earnings gain is +12.02%, on 2023-05-04.