ECO
Best and worst times to own ECO 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 | Aug 12, 2026 | Aug 13, 2026 | +10.9% | #143 | Apr 3, 2025 | Apr 4, 2025 | -11.0% | #133 |
| one week | Feb 17, 2026 | Feb 24, 2026 | +23.7% | #81 | Mar 28, 2025 | Apr 4, 2025 | -18.0% | #108 |
| one month | Aug 14, 2026 | Sep 16, 2026 | +40.6% | #78 | Nov 19, 2024 | Dec 19, 2024 | -22.0% | #152 |
| 3 months | Jul 13, 2026 | Oct 13, 2026 | +99.8% | #30 | Jan 15, 2025 | Apr 15, 2025 | -18.8% | #290 |
| 6 months | Apr 10, 2026 | Oct 12, 2026 | +128.1% | #37 | Oct 30, 2024 | Apr 4, 2025 | -28.4% | #135 |
| one year | Oct 10, 2025 | Oct 12, 2026 | +298.4% | #23 | Oct 30, 2024 | Apr 4, 2025 | -28.4% | #133 |
Rank #81 for the best one week means 80 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 30, 2026 |
-0.3% | +7.0% | +25.3% | +84.7% | +107.9% | +245.7% |
| Best one single day Aug 12, 2026 |
+3.5% | +3.7% | +14.5% | +15.3% | +61.4% | +171.6% |
| Best one week Feb 17, 2026 |
-0.6% | +4.1% | +8.0% | +9.7% | +64.8% | +81.0% |
| Best one month Aug 14, 2026 |
-5.7% | +6.3% | +16.0% | +25.2% | +63.7% | +175.4% |
| Best 3 months Jul 13, 2026 |
-1.3% | +1.6% | +2.8% | +13.3% | +43.1% | +141.9% |
| Best 6 months Apr 10, 2026 |
-2.5% | -5.3% | -0.4% | +32.6% | +74.7% | +163.5% |
| Best one year Oct 10, 2025 |
-1.2% | -1.9% | +2.9% | +23.2% | +50.8% | -12.8% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.