ALNY Earnings Reaction History
Alnylam Pharmaceuticals, Inc.
EPS, Revenue, Stock Move
ALNY stock falls 1.3% on average on the first trading day after earnings.
When ALNY delivers a double beat, the stock rises 1.9% on average on the first trading day.
Across 87 releases, ALNY has delivered a positive next-day return 45.0% of the time.
Reaction Snapshot (Avg Day 1-3)
Day 1
-1.25%
Day 2
+0.43%
Day 3
+0.57%
Conditioned Moves (Day 1 Basis)
Double Beat
+1.90%
Mixed
-2.50%
Double Miss
-2.32%
EPS Beat Rate
55.2%
Revenue Beat Rate
51.7%
Positive Rate
45.0%
Both Beat Rate
16.1%
Recent Earnings History
| Date | EPS | Revenue | Day 1 | Day 2 | Day 3 | Detail |
|---|---|---|---|---|---|---|
| 2026-05-07 | — | — | — | — | — | Open |
| 2026-04-30 | — | — | — | — | — | Open |
| 2026-02-12 | Miss-186.67% | Miss-4.53% | -4.28% | +1.92% | +5.79% | Open |
| 2025-10-30 | Beat+300.00% | Beat+30.19% | -6.65% | +1.44% | -4.82% | Open |
| 2025-07-31 | Beat+10.34% | Beat+16.72% | +15.43% | +2.44% | +4.42% | Open |
| 2025-05-01 | Miss-144.00% | Beat+1.55% | -3.08% | +1.67% | +5.46% | Open |
| 2025-02-13 | Beat+4.41% | Beat+1.81% | -0.40% | -3.19% | -2.52% | Open |
| 2024-10-31 | Beat+14.71% | Miss-6.00% | -5.29% | +2.75% | -1.45% | Open |
FAQ
How much does ALNY usually move after earnings?
ALNY moves about 1.3% on average on the first trading day after earnings. Net average direction is -1.25%.
What is ALNY's biggest post-earnings gain?
ALNY's largest recorded next-day earnings gain is +15.43%, on 2025-07-31.