SION
Timing
Best timing SION, to hold for
The best times to own SION (Sionna Therapeutics, Inc.) in the past two years - buying and selling right before market close. The gain is ranked against owning other SP500 component stocks over the same term. For example, Rank #13 in one week means that only 12 of the SP500 stocks did better on their best one week performance over the past year. Updated 2026-08-13T20:21:17.191068+00:00.
| Ownership Term | Buy Date (@Close) | Sell Date (@Close) | Gain | Rank against SP500s |
|---|---|---|---|---|
| One Single Day | Mon 2025/10/20 | Tue 2025/10/21 | +31.99% | #8 |
| One Week | Thu 2025/04/10 | Thu 2025/04/17 | +44.52% | #13 |
| One Month | Fri 2025/09/19 | Tue 2025/10/21 | +83.66% | #15 |
| 3 Months | Thu 2025/04/10 | Thu 2025/07/10 | +173.37% | #9 |
| 6 Months | Thu 2025/04/10 | Fri 2025/10/10 | +284.07% | #11 |
| One Year | Fri 2025/04/11 | Mon 2026/04/13 | +430.75% | #14 |
Comparing now with the best starting days
| Daily status (@Close) | 1d gain | 1w gain | 1m gain | 3m gain | 6m gain | 1y gain |
|---|---|---|---|---|---|---|
| Thu 2026/08/13 (Today) | +4.64% | -86.82% | -85.12% | -84.83% | -82.57% | -68.72% |
| Mon 2025/10/20 (Best One Single Day) | +0.85% | +9.86% | +39.15% | +92.35% | +190.88% | +28.80% |
| Thu 2025/04/10 (Best One Week) | -13.74% | -34.02% | -48.59% | -69.36% | -69.36% | -69.36% |
| Fri 2025/09/19 (Best One Month) | -0.39% | +1.36% | +7.73% | +57.09% | +66.71% | -7.44% |
| Thu 2025/04/10 (Best 3 Months) | -13.74% | -34.02% | -48.59% | -69.36% | -69.36% | -69.36% |
| Thu 2025/04/10 (Best 6 Months) | -13.74% | -34.02% | -48.59% | -69.36% | -69.36% | -69.36% |
| Fri 2025/04/11 (Best One Year) | +2.74% | -21.06% | -51.57% | -68.52% | -68.52% | -68.52% |