BlackRock (BLK) Seasonality
Recurring seasonal patterns for BLK — the calendar windows where BlackRock 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.
BLK's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Jun 29 – Jul 20 | Bullish | +4.14% | 100% | 21d |
| Jun 30 – Jul 21 | Bullish | +3.88% | 100% | 21d |
| Jun 30 – Jul 10 | Bullish | +2.22% | 100% | 10d |
| Oct 24 – Nov 23 | Bullish | +6.70% | 90% | 30d |
| Nov 3 – Dec 3 | Bullish | +6.66% | 90% | 30d |
| Oct 26 – Nov 16 | Bullish | +6.41% | 90% | 21d |
| Oct 25 – Nov 24 | Bullish | +6.29% | 90% | 30d |
| Oct 23 – Nov 22 | Bullish | +6.24% | 90% | 30d |
| Oct 25 – Nov 15 | Bullish | +6.15% | 90% | 21d |
| Nov 1 – Nov 11 | Bullish | +6.12% | 90% | 10d |
| Jun 29 – Jul 29 | Bullish | +5.17% | 90% | 30d |
| Jun 30 – Jul 30 | Bullish | +4.77% | 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 BLK seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is BLK stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing BlackRock's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where BLK 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.