Bio-Rad Laboratories (BIO) Seasonality
Recurring seasonal patterns for BIO — the calendar windows where Bio-Rad Laboratories 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.
BIO seasonality at a glance
Over the last 10 years, BIO's strongest seasonal window has been Jun 27 – Jul 27: it ended higher in 10 of 10 years (100% win rate) with an average return of +11.08% across a 30-day hold. On the weak side, BIO has historically declined between Oct 4 – Oct 14, falling in 9 of 10 years (average -1.84%).
In total, our analysis finds 597 recurring seasonal windows for Bio-Rad Laboratories — 371 bullish and 226 bearish. The next high-win-rate window, Sep 17 – Sep 27, opens in 6 days. These figures describe historical behaviour only — not a forecast.
BIO'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 11d ago | Aug 11 – Aug 31 | 20d | +1.75% | 80% | +8.38% |
| Completedended 23d ago | Jul 20 – Aug 19 | 30d | +4.72% | 80% | +20.66% |
| Upcomingin 6d | Sep 17 – Sep 27 | 10d | -1.78% | 80% | — |
| Upcomingin 16d | Sep 27 – Oct 7 | 10d | +1.91% | 80% | — |
| Upcomingin 22d | Oct 3 – Oct 13 | 10d | -1.44% | 90% | — |
| Upcomingin 23d | Oct 4 – Oct 14 | 10d | -1.84% | 90% | — |
| Upcomingin 24d | Oct 5 – Oct 15 | 10d | -2.21% | 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 BIO seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
BIO seasonality FAQ
What has historically been the best month to buy BIO stock?
Based on the last 10 years of price data, BIO's strongest seasonal window starts in June: Jun 27 to Jul 27, which ended higher in 10 of 10 years (100% win rate) with an average return of +11.08%. Past seasonal patterns do not guarantee future performance.
What is BIO's strongest seasonal pattern?
BIO's highest-win-rate pattern in our data is the Jun 27 – Jul 27 window (30-day hold): up in 10 of the last 10 years with an average move of +11.08%.
When has BIO historically performed worst?
BIO's weakest recurring window has been Oct 4 to Oct 14, declining in 9 of 10 years with an average return of -1.84%.
How reliable are BIO's seasonal patterns?
Each BIO pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. BIO currently shows 597 recurring windows (371 bullish, 226 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is BIO stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Bio-Rad Laboratories's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where BIO 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.