Protolabs (PRLB) Seasonality
Recurring seasonal patterns for PRLB — the calendar windows where Protolabs 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.
PRLB seasonality at a glance
Over the last 10 years, PRLB's strongest seasonal window has been May 1 – May 21: it ended higher in 9 of 10 years (90% win rate) with an average return of +6.03% across a 20-day hold. On the weak side, PRLB has historically declined between Oct 21 – Oct 31, falling in 9 of 10 years (average -6.85%).
In total, our analysis finds 833 recurring seasonal windows for Protolabs — 488 bullish and 345 bearish. The next high-win-rate window, Nov 8 – Nov 28, opens in 13 days. These figures describe historical behaviour only — not a forecast.
PRLB'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 18d ago | Sep 28 – Oct 8 | 10d | -1.20% | 80% | -4.84% |
| Completedended 57d ago | Aug 20 – Aug 30 | 10d | +2.24% | 80% | +1.21% |
| Upcomingin 13d | Nov 8 – Nov 28 | 20d | +3.24% | 80% | — |
| Upcomingin 14d | Nov 9 – Nov 29 | 20d | +3.42% | 80% | — |
| Upcomingin 15d | Nov 10 – Nov 30 | 20d | +2.96% | 80% | — |
| Upcomingin 16d | Nov 11 – Dec 1 | 20d | +2.26% | 80% | — |
| Upcomingin 20d | Nov 15 – Nov 25 | 10d | +3.36% | 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 PRLB seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
PRLB seasonality FAQ
What has historically been the best month to buy PRLB stock?
Based on the last 10 years of price data, PRLB's strongest seasonal window starts in May: May 1 to May 21, which ended higher in 9 of 10 years (90% win rate) with an average return of +6.03%. Past seasonal patterns do not guarantee future performance.
What is PRLB's strongest seasonal pattern?
PRLB's highest-win-rate pattern in our data is the May 1 – May 21 window (20-day hold): up in 9 of the last 10 years with an average move of +6.03%.
When has PRLB historically performed worst?
PRLB's weakest recurring window has been Oct 21 to Oct 31, declining in 9 of 10 years with an average return of -6.85%.
How reliable are PRLB's seasonal patterns?
Each PRLB pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. PRLB currently shows 833 recurring windows (488 bullish, 345 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is PRLB stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Protolabs's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where PRLB 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.