Fortinet (FTNT) Seasonality
Recurring seasonal patterns for FTNT — the calendar windows where Fortinet 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.
FTNT seasonality at a glance
Over the last 10 years, FTNT's strongest seasonal window has been Mar 20 – Apr 9: it ended higher in 10 of 10 years (100% win rate) with an average return of +5.70% across a 20-day hold. On the weak side, FTNT has historically declined between Oct 24 – Nov 3, falling in 8 of 10 years (average -4.48%).
In total, our analysis finds 772 recurring seasonal windows for Fortinet — 636 bullish and 136 bearish. The next high-win-rate window, Sep 27 – Oct 7, opens in 16 days. These figures describe historical behaviour only — not a forecast.
FTNT'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 1d ago | Aug 21 – Sep 10 | 20d | +2.56% | 80% | +3.48% |
| Completedended 3d ago | Aug 19 – Sep 8 | 20d | +2.72% | 80% | +3.02% |
| Upcomingin 16d | Sep 27 – Oct 7 | 10d | +1.27% | 80% | — |
| Upcomingin 17d | Sep 28 – Oct 8 | 10d | +1.46% | 80% | — |
| Upcomingin 18d | Sep 29 – Oct 9 | 10d | +2.20% | 80% | — |
| Upcomingin 43d | Oct 24 – Nov 3 | 10d | -4.48% | 80% | — |
| Upcomingin 52d | Nov 2 – Nov 12 | 10d | +3.99% | 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 FTNT seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
FTNT seasonality FAQ
What has historically been the best month to buy FTNT stock?
Based on the last 10 years of price data, FTNT's strongest seasonal window starts in March: Mar 20 to Apr 9, which ended higher in 10 of 10 years (100% win rate) with an average return of +5.70%. Past seasonal patterns do not guarantee future performance.
What is FTNT's strongest seasonal pattern?
FTNT's highest-win-rate pattern in our data is the Mar 20 – Apr 9 window (20-day hold): up in 10 of the last 10 years with an average move of +5.70%.
When has FTNT historically performed worst?
FTNT's weakest recurring window has been Oct 24 to Nov 3, declining in 8 of 10 years with an average return of -4.48%.
How reliable are FTNT's seasonal patterns?
Each FTNT pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. FTNT currently shows 772 recurring windows (636 bullish, 136 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is FTNT stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Fortinet's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where FTNT 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.