GKOS
Moving with the market
- GKOS +0.05% on the last session vs SPY −0.03%: +0.1 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 GKOS 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 | Apr 29, 2026 | Apr 30, 2026 | +22.8% | #23 | Feb 20, 2025 | Feb 21, 2025 | -20.0% | #23 |
| one week | May 29, 2026 | Jun 5, 2026 | +20.9% | #115 | Feb 19, 2025 | Feb 26, 2025 | -25.0% | #30 |
| one month | Oct 24, 2025 | Nov 26, 2025 | +41.1% | #72 | Feb 19, 2025 | Mar 19, 2025 | -37.0% | #24 |
| 3 months | May 29, 2026 | Aug 31, 2026 | +73.7% | #52 | Jan 8, 2025 | Apr 8, 2025 | -48.0% | #8 |
| 6 months | Mar 13, 2026 | Sep 15, 2026 | +77.0% | #91 | Jan 31, 2025 | Jul 31, 2025 | -45.0% | #33 |
| one year | Aug 8, 2025 | Aug 10, 2026 | +114.3% | #70 | Oct 29, 2024 | Oct 29, 2025 | -44.0% | #57 |
Rank #115 for the best one week means 114 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 |
+0.1% | +4.2% | -2.1% | +7.2% | +38.9% | +96.4% |
| Best one single day Apr 29, 2026 |
-2.2% | -3.9% | +13.4% | -1.8% | +51.7% | +24.7% |
| Best one week May 29, 2026 |
-3.0% | -14.0% | -11.6% | -14.2% | -2.8% | +8.9% |
| Best one month Oct 24, 2025 |
-0.8% | -14.3% | -9.8% | -20.9% | -21.8% | -42.8% |
| Best 3 months May 29, 2026 |
-3.0% | -14.0% | -11.6% | -14.2% | -2.8% | +8.9% |
| Best 6 months Mar 13, 2026 |
-0.8% | -9.9% | -11.4% | -10.9% | +17.2% | +0.4% |
| Best one year Aug 8, 2025 |
-3.8% | -1.8% | -17.4% | -6.5% | -44.7% | -29.7% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.