QGEN
Best and worst times to own QGEN 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 16, 2026 | Jan 20, 2026 | +16.6% | #58 | Apr 27, 2026 | Apr 28, 2026 | -10.7% | #142 |
| one week | Jan 13, 2026 | Jan 20, 2026 | +17.5% | #162 | Apr 22, 2026 | Apr 29, 2026 | -15.9% | #146 |
| one month | Dec 19, 2025 | Jan 21, 2026 | +22.1% | #257 | Apr 13, 2026 | May 13, 2026 | -22.0% | #153 |
| 3 months | May 8, 2026 | Aug 10, 2026 | +33.9% | #223 | Jan 29, 2026 | Apr 29, 2026 | -37.4% | #44 |
| 6 months | Apr 29, 2026 | Oct 29, 2026 | +51.1% | #156 | Oct 28, 2025 | Apr 28, 2026 | -29.1% | #129 |
| one year | Feb 11, 2025 | Feb 11, 2026 | +30.7% | #331 | Jun 20, 2025 | Jun 22, 2026 | -22.0% | #200 |
Rank #162 for the best one week means 161 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 |
-0.2% | -0.3% | +14.8% | +21.2% | +46.5% | +9.4% |
| Best one single day Jan 16, 2026 |
-1.7% | -1.5% | +5.7% | -1.2% | -1.5% | +4.2% |
| Best one week Jan 13, 2026 |
-0.1% | +0.4% | +4.4% | 0.0% | -1.9% | +3.1% |
| Best one month Dec 19, 2025 |
+1.4% | +0.8% | +2.6% | -0.8% | -1.6% | +3.4% |
| Best 3 months May 8, 2026 |
-1.4% | -3.5% | -19.9% | -35.2% | -24.2% | -21.2% |
| Best 6 months Apr 29, 2026 |
-1.2% | -15.9% | -14.0% | -37.4% | -28.8% | -20.7% |
| Best one year Feb 11, 2025 |
-2.0% | -9.4% | -12.1% | -10.8% | -13.5% | -11.7% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.