SION Earnings Reaction History
Sionna Therapeutics, Inc.
EPS, Revenue, Stock Move
SION stock rises 2.2% on average on the first trading day after earnings.
Double-beat first trading day move data is not available yet for SION.
Across 6 releases, SION has delivered a positive next-day return 50.0% of the time.
Reaction Snapshot (Avg Day 1-3)
Day 1
+2.20%
Day 2
-1.58%
Day 3
-1.81%
Conditioned Moves (Day 1 Basis)
Double Beat
—
Mixed
+1.54%
Double Miss
+2.87%
EPS Beat Rate
50.0%
Revenue Beat Rate
0.0%
Positive Rate
50.0%
Both Beat Rate
0.0%
Recent Earnings History
| Date | EPS | Revenue | Day 1 | Day 2 | Day 3 | Detail |
|---|---|---|---|---|---|---|
| 2026-05-11 | Miss-15.38% | — | +3.89% | -10.90% | +5.32% | Open |
| 2026-03-02 | Beat+24.59% | — | -7.17% | +0.50% | +1.41% | Open |
| 2025-11-05 | Beat+11.54% | — | -1.57% | -1.94% | +0.90% | Open |
| 2025-08-11 | Beat+39.71% | — | +13.36% | +4.79% | -0.38% | Open |
| 2025-05-12 | Miss-37.78% | — | +4.71% | -0.54% | -6.47% | Open |
| 2025-03-20 | Miss-26.12% | — | ±0.00% | -1.37% | -11.61% | Open |
FAQ
How much does SION usually move after earnings?
SION moves about 2.2% on average on the first trading day after earnings. Net average direction is +2.20%.
What is SION's biggest post-earnings gain?
SION's largest recorded next-day earnings gain is +13.36%, on 2025-08-11.