Clean Harbors (CLH) Seasonality
Recurring seasonal patterns for CLH — the calendar windows where Clean Harbors 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.
CLH's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| May 29 – Jun 8 | Bullish | +4.34% | 100% | 10d |
| Nov 3 – Dec 3 | Bullish | +9.21% | 90% | 30d |
| Mar 23 – Apr 13 | Bullish | +5.78% | 90% | 21d |
| Mar 23 – Apr 2 | Bullish | +5.24% | 90% | 10d |
| Mar 23 – Apr 22 | Bullish | +5.12% | 90% | 30d |
| Jul 2 – Aug 1 | Bullish | +4.94% | 90% | 30d |
| Mar 24 – Apr 23 | Bullish | +4.64% | 90% | 30d |
| Mar 20 – Apr 19 | Bullish | +4.54% | 90% | 30d |
| Mar 24 – Apr 14 | Bullish | +4.48% | 90% | 21d |
| Jun 27 – Jul 27 | Bullish | +3.69% | 90% | 30d |
| Jul 1 – Jul 31 | Bullish | +3.66% | 90% | 30d |
| Jun 22 – Jul 22 | Bullish | +3.58% | 90% | 30d |
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 CLH seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is CLH stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Clean Harbors's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where CLH 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.