One Stop Systems OSS 4.31 0.39 9.95%
Expected move
No chain in the last ten days can size a move for OSS.
Earnings: priced against what happened
Average implied move
±14.92%
Average actual move
28.76%
Beyond the implied move
1 / 2
Median IV change
-13.42%
| Reaction session | Implied | Actual | Used | ATM IV before → after |
|---|---|---|---|---|
| May 06, 2026 | ±16.12% | +56.91% | 3.53× | — |
| August 07, 2025 | ±13.72% | +0.61% | 0.04× | 107.8% → 93.4% |