OSIS
Outperforming without a clear catalyst yet
- OSIS +0.99% on the last session vs SPY +0.04%: +0.9 pts of stock-specific move.
- Market backdrop (Today): Core PPI m/m 1.3% vs 0.3% expected (hotter); Core Retail Sales m/m 0.9% vs 0.6% expected (stronger); S&P futures -0.08%, 10-year yield -3bp in the 30 minutes after.
Best and worst times to own OSIS in the past two years
Buying and selling at the close. Each colored stretch is the best or worst window for that holding period, green for a gain and red for a loss: longer holds are wider and darker underneath, shorter ones brighter on top. The grey line is the full two years. Letters mark events inside the windows (E earnings, A analyst, I insider, M mention spike, V volume spike, T theme move, N news). Hover a period above the chart to pick it out and see only its events; click it to hide or show it.
Best and worst window per holding period
| Best | Worst | |||||||
|---|---|---|---|---|---|---|---|---|
| Hold for | Buy | Sell | Gain | Rank | Buy | Sell | Gain | Rank |
| one single day | Jan 22, 2025 | Jan 23, 2025 | +14.2% | #86 | May 4, 2026 | May 5, 2026 | -17.0% | #43 |
| one week | Jan 17, 2025 | Jan 24, 2025 | +20.0% | #133 | Apr 28, 2026 | May 5, 2026 | -18.3% | #96 |
| one month | Jan 13, 2025 | Feb 13, 2025 | +36.4% | #91 | Apr 17, 2026 | May 18, 2026 | -32.9% | #37 |
| 3 months | Nov 4, 2024 | Feb 4, 2025 | +50.3% | #110 | Apr 20, 2026 | Jul 20, 2026 | -31.9% | #86 |
| 6 months | Nov 1, 2024 | May 2, 2025 | +70.1% | #107 | Apr 15, 2026 | Oct 15, 2026 | -36.4% | #63 |
| one year | Nov 1, 2024 | Nov 3, 2025 | +112.7% | #71 | Oct 15, 2025 | Oct 15, 2026 | -24.2% | #180 |
Rank #133 for the best one week means 132 of the S&P 500 components had a better best-one week gain over the past year; for the worst windows #1 is the deepest fall. Updated .
What happened in each window
From Wallsti's event record (Aftermath's events over the two years, plus the AI-read news catalysts, which only cover recent weeks). An event is no proof of cause: check the dates against the line.
Today vs. the best starting days
| As of | 1d | 1w | 1m | 3m | 6m | 1y |
|---|---|---|---|---|---|---|
| Today Oct 15, 2026 |
+1.0% | +0.6% | -4.0% | -10.9% | -36.4% | -24.2% |
| Best one single day Jan 22, 2025 |
-2.2% | +3.6% | -3.5% | +20.2% | +13.8% | +28.9% |
| Best one week Jan 17, 2025 |
-0.9% | +8.6% | -9.3% | +12.0% | +11.6% | +36.8% |
| Best one month Jan 13, 2025 |
+0.8% | -5.8% | -15.0% | +4.4% | +7.8% | +24.3% |
| Best 3 months Nov 4, 2024 |
+0.4% | +0.9% | -8.8% | -4.8% | -2.1% | +22.3% |
| Best 6 months Nov 1, 2024 |
0.0% | -1.6% | -10.3% | -8.7% | +0.8% | +25.9% |
| Best one year Nov 1, 2024 |
0.0% | -1.6% | -10.3% | -8.7% | +0.8% | +25.9% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.