Otter Tail Corporation (OTTR) Seasonality
Recurring seasonal patterns for OTTR — the calendar windows where Otter Tail Corporation has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on the last 10 years of price history.
OTTR seasonality at a glance
Over the last 10 years, OTTR's strongest seasonal window has been Jul 9 – Aug 8: it ended higher in 10 of 10 years (100% win rate) with an average return of +7.39% across a 30-day hold. On the weak side, OTTR has historically declined between Jun 9 – Jun 19, falling in 8 of 10 years (average -2.55%).
In total, our analysis finds 770 recurring seasonal windows for Otter Tail Corporation — 579 bullish and 191 bearish. The next high-win-rate window, Jul 29 – Aug 18, opens in 2 days. These figures describe historical behaviour only — not a forecast.
OTTR's upcoming & recent seasonal patterns
Holding period:10-day20-day30-dayOrdered by season — windows opening soon first, plus a couple of recently completed high-performers. Holding-period colors help you compare durations at a glance.
| Status | Seasonal window | Hold | Avg return | Win rate | This year |
|---|---|---|---|---|---|
| Completedended 6d ago | Jun 21 – Jul 21 | 30d | +3.28% | 80% | +3.51% |
| Completedended 7d ago | Jun 20 – Jul 20 | 30d | +3.84% | 80% | +4.37% |
| Upcomingin 2d | Jul 29 – Aug 18 | 20d | +3.06% | 80% | — |
| Upcomingin 6d | Aug 2 – Aug 12 | 10d | +2.56% | 80% | — |
| Upcomingin 7d | Aug 3 – Aug 13 | 10d | +2.81% | 80% | — |
| Upcomingin 8d | Aug 4 – Aug 14 | 10d | +1.98% | 80% | — |
| Upcomingin 26d | Aug 22 – Sep 1 | 10d | -1.13% | 80% | — |
Win rate = how often the pattern repeated in the same direction. Average return = the mean move across all analysed years. Past performance does not guarantee future results.
Explore OTTR seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
OTTR seasonality FAQ
What has historically been the best month to buy OTTR stock?
Based on the last 10 years of price data, OTTR's strongest seasonal window starts in July: Jul 9 to Aug 8, which ended higher in 10 of 10 years (100% win rate) with an average return of +7.39%. Past seasonal patterns do not guarantee future performance.
What is OTTR's strongest seasonal pattern?
OTTR's highest-win-rate pattern in our data is the Jul 9 – Aug 8 window (30-day hold): up in 10 of the last 10 years with an average move of +7.39%.
When has OTTR historically performed worst?
OTTR's weakest recurring window has been Jun 9 to Jun 19, declining in 8 of 10 years with an average return of -2.55%.
How reliable are OTTR's seasonal patterns?
Each OTTR pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. OTTR currently shows 770 recurring windows (579 bullish, 191 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is OTTR stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Otter Tail Corporation's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where OTTR has repeatedly risen (bullish) or fallen (bearish). Each pattern is scored by its win rate and average return so you can judge how reliable and how strong it has been.
Seasonality is one input among many — it works best alongside your own research and risk management. Learn more in our guide to seasonal analysis and the tutorials.