Heidelberg Materials (HEI.DE) Seasonality
Recurring seasonal patterns for HEI.DE — the calendar windows where Heidelberg Materials 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.
HEI.DE seasonality at a glance
Over the last 10 years, HEI.DE's strongest seasonal window has been Oct 23 – Nov 12: it ended higher in 10 of 10 years (100% win rate) with an average return of +8.05% across a 20-day hold. On the weak side, HEI.DE has historically declined between Sep 28 – Oct 8, falling in 9 of 10 years (average -1.63%).
In total, our analysis finds 570 recurring seasonal windows for Heidelberg Materials — 444 bullish and 126 bearish. The next high-win-rate window, Aug 6 – Aug 16, opens in 10 days. These figures describe historical behaviour only — not a forecast.
HEI.DE'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 81d ago | Apr 7 – May 7 | 30d | +5.29% | 80% | +10.36% |
| Completedended 82d ago | Apr 6 – May 6 | 30d | +5.70% | 90% | +6.53% |
| Upcomingin 10d | Aug 6 – Aug 16 | 10d | +2.27% | 80% | — |
| Upcomingin 63d | Sep 28 – Oct 8 | 10d | -1.63% | 90% | — |
| Upcomingin 75d | Oct 10 – Nov 9 | 30d | +4.73% | 80% | — |
| Upcomingin 76d | Oct 11 – Nov 10 | 30d | +6.36% | 80% | — |
| Upcomingin 77d | Oct 12 – Nov 11 | 30d | +7.11% | 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 HEI.DE seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
HEI.DE seasonality FAQ
What has historically been the best month to buy HEI.DE stock?
Based on the last 10 years of price data, HEI.DE's strongest seasonal window starts in October: Oct 23 to Nov 12, which ended higher in 10 of 10 years (100% win rate) with an average return of +8.05%. Past seasonal patterns do not guarantee future performance.
What is HEI.DE's strongest seasonal pattern?
HEI.DE's highest-win-rate pattern in our data is the Oct 23 – Nov 12 window (20-day hold): up in 10 of the last 10 years with an average move of +8.05%.
When has HEI.DE historically performed worst?
HEI.DE's weakest recurring window has been Sep 28 to Oct 8, declining in 9 of 10 years with an average return of -1.63%.
How reliable are HEI.DE's seasonal patterns?
Each HEI.DE pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. HEI.DE currently shows 570 recurring windows (444 bullish, 126 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is HEI.DE stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Heidelberg Materials's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where HEI.DE 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.