LyondellBasell (LYB) Seasonality
Recurring seasonal patterns for LYB — the calendar windows where LyondellBasell has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on up to 10 years of price history.
LYB's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Aug 2 – Sep 1 | Bullish | +4.75% | 90% | 30d |
| May 13 – Jun 12 | Bullish | +4.66% | 90% | 30d |
| Aug 4 – Aug 25 | Bullish | +4.17% | 90% | 21d |
| Aug 8 – Aug 29 | Bullish | +3.94% | 90% | 21d |
| Mar 13 – Mar 23 | Bearish | -3.88% | 90% | 10d |
| Nov 20 – Nov 30 | Bullish | +3.88% | 90% | 10d |
| Aug 9 – Aug 30 | Bullish | +3.87% | 90% | 21d |
| Aug 6 – Aug 27 | Bullish | +3.86% | 90% | 21d |
| Aug 5 – Aug 26 | Bullish | +3.65% | 90% | 21d |
| Jun 13 – Jun 23 | Bearish | -3.55% | 90% | 10d |
| Aug 7 – Aug 28 | Bullish | +3.50% | 90% | 21d |
| Aug 2 – Aug 23 | Bullish | +3.42% | 90% | 21d |
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 LYB seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is LYB stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing LyondellBasell's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where LYB 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.