UP
Best and worst times to own UP 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 9, 2026 | Jan 12, 2026 | +46.6% | #2 | Apr 24, 2026 | Apr 27, 2026 | -24.6% | #9 |
| one week | May 15, 2026 | May 22, 2026 | +81.1% | #2 | Apr 22, 2026 | Apr 29, 2026 | -36.1% | #5 |
| one month | Jul 28, 2025 | Aug 28, 2025 | +130.8% | #4 | Oct 24, 2025 | Nov 25, 2025 | -59.0% | #1 |
| 3 months | May 29, 2025 | Aug 29, 2025 | +142.1% | #16 | Aug 28, 2025 | Nov 28, 2025 | -76.8% | #1 |
| 6 months | Feb 28, 2025 | Aug 28, 2025 | +172.7% | #22 | Oct 29, 2025 | Apr 29, 2026 | -82.5% | #1 |
| one year | Nov 4, 2024 | Aug 28, 2025 | +68.4% | #154 | Sep 18, 2025 | Sep 18, 2026 | -92.7% | #1 |
Rank #2 for the best one week means 1 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
Best one single day Jan 9, 2026 → Jan 12, 2026 +46.6% · 1 event
- V Volume spike 26.0x average volume, +46.6% on the day
Best one week May 15, 2026 → May 22, 2026 +81.1% · 2 events
- I Insider buy George N Mattson (Chief Executive Officer, Director), $138,005
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $18,982
Best one month Jul 28, 2025 → Aug 28, 2025 +130.8% · 3 events
- M Mention spike 41 mentions vs 3.7/day the week before
- V Volume spike 27.2x average volume, +26.8% on the day
- V Volume spike 6.6x average volume, +25.5% on the day
Best 3 months May 29, 2025 → Aug 29, 2025 +142.2% · 4 events
- V Volume spike 3.1x average volume, +5.5% on the day
- M Mention spike 41 mentions vs 3.7/day the week before
- V Volume spike 27.2x average volume, +26.8% on the day
- V Volume spike 6.6x average volume, +25.5% on the day
Best 6 months Feb 28, 2025 → Aug 28, 2025 +172.7% · 5 events
- V Volume spike 3.1x average volume, -10.6% on the day
- V Volume spike 3.1x average volume, +5.5% on the day
- M Mention spike 41 mentions vs 3.7/day the week before
- V Volume spike 27.2x average volume, +26.8% on the day
- V Volume spike 6.6x average volume, +25.5% on the day
Best one year Nov 4, 2024 → Aug 28, 2025 +68.4% · 5 events
- V Volume spike 3.1x average volume, -10.6% on the day
- V Volume spike 3.1x average volume, +5.5% on the day
- M Mention spike 41 mentions vs 3.7/day the week before
- V Volume spike 27.2x average volume, +26.8% on the day
- V Volume spike 6.6x average volume, +25.5% on the day
Worst one single day Apr 24, 2026 → Apr 27, 2026 -24.6% · 1 event
- V Volume spike 4.9x average volume, -24.6% on the day
Worst one week Apr 22, 2026 → Apr 29, 2026 -36.1% · 1 event
- V Volume spike 4.9x average volume, -24.6% on the day
Worst one month Oct 24, 2025 → Nov 25, 2025 -59.0% · 1 event
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $106,780
Worst 3 months Aug 28, 2025 → Nov 28, 2025 -76.8% · 1 event
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $106,780
Worst 6 months Oct 29, 2025 → Apr 29, 2026 -82.5% · 6 events
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $106,780
- V Volume spike 26.0x average volume, +46.6% on the day
- M Mention spike 22 mentions vs 7.3/day the week before
- M Mention spike 33 mentions vs 3.6/day the week before
- V Volume spike 8.6x average volume, -22.5% on the day
- V Volume spike 4.9x average volume, -24.6% on the day
Worst one year Sep 18, 2025 → Sep 18, 2026 -92.7% · 14 events
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $106,780
- V Volume spike 26.0x average volume, +46.6% on the day
- M Mention spike 22 mentions vs 7.3/day the week before
- M Mention spike 33 mentions vs 3.6/day the week before
- V Volume spike 8.6x average volume, -22.5% on the day
- V Volume spike 4.9x average volume, -24.6% on the day
- I Insider buy George N Mattson (Chief Executive Officer, Director), $138,005
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $18,982
- I Unplanned insider sale Mark Briffa (Chief Sales Officer), $7,628
- I Unplanned insider sale Ck Wheels Llc (10% owner), $222,268
- V Volume spike 6.9x average volume, +17.3% on the day
- I Unplanned insider sale Meaghan Danielle Wells (Chief Growth Officer), $23,577
- V Volume spike 3.3x average volume, -9.6% on the day
- I Unplanned insider sale Ck Wheels Llc (10% owner), $43,163
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 Nov 3, 2026 |
-3.3% | +6.3% | -8.6% | -48.8% | -42.9% | -87.8% |
| Best one single day Jan 9, 2026 |
+3.8% | +2.7% | -10.0% | -64.6% | -48.4% | -57.5% |
| Best one week May 15, 2026 |
-9.9% | -16.3% | -39.8% | -61.8% | -76.7% | -84.3% |
| Best one month Jul 28, 2025 |
-1.4% | -2.7% | +16.3% | +68.2% | -12.3% | -48.9% |
| Best 3 months May 29, 2025 |
-12.9% | -25.8% | +22.8% | 0.0% | -51.6% | -59.7% |
| Best 6 months Feb 28, 2025 |
+6.1% | -14.8% | -25.8% | -53.6% | -34.9% | -57.1% |
| Best one year Nov 4, 2024 |
-5.8% | -12.1% | -17.6% | -5.8% | -18.3% | +44.1% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.