ALNY Earnings Reaction History
Alnylam Pharmaceuticals, Inc.
EPS, Revenue, Stock Move
ALNY stock falls 1.9% on average on the first trading day after earnings.
When ALNY delivers a double beat, the stock rises 2.0% on average on the first trading day.
Across 40 releases, ALNY has delivered a positive next-day return 45.0% of the time.
Reaction Snapshot (Avg Day 1-3)
Day 1
-1.86%
Day 2
+0.52%
Day 3
+0.71%
Conditioned Moves (Day 1 Basis)
Double Beat
+1.98%
Mixed
-2.78%
Double Miss
-5.33%
EPS Beat Rate
57.5%
Revenue Beat Rate
52.5%
Positive Rate
45.0%
Both Beat Rate
30.0%
Recent Earnings History
| Date | EPS | Revenue | Day 1 | Day 2 | Day 3 | Detail |
|---|---|---|---|---|---|---|
| 2026-07-30 | Miss-15.97% | Miss-2.36% | -28.31% | +0.02% | +7.21% | Open |
| 2026-04-30 | Beat+65.93% | Beat+4.63% | +2.76% | -4.32% | +0.61% | Open |
| 2026-02-12 | Beat+9.33% | 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 1.9% on average on the first trading day after earnings. Net average direction is -1.86%.
What is ALNY's biggest post-earnings gain?
ALNY's largest recorded next-day earnings gain is +15.43%, on 2025-07-31.