The takeaway
Definium Therapeutics, Inc. shows a moderate seasonal pattern over 10 years of data — strongest in February (+6.0%) and softest in March (+1.5%).
Right now
In July, the stock has fallen 44% of years, averaging −4.6%, roughly 6.7 pts behind the S&P 500.
The full picture
Definium Therapeutics, Inc.'s most dependable month has been February, higher in 6 of 9 years; March has been its least reliable, up just 25% of the time.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| 2016 | — | — | — | — | — | — | — | — | — | — |
Month by month
The stock's clearest edge over the S&P 500 lands in August (+41.0 pts); it has trailed the market most in June (−9.1 pts).
“vs S&P” is Definium Therapeutics, Inc.’s average for a month minus the S&P 500’s average for that same month — isolating Definium Therapeutics, Inc.’s own seasonal edge from broad market drift.
Reality check
Over the last 5 years, February has closed higher 80% of the time versus 67% across the last 10 years — the pattern is strengthening.
Figures are the typical (median) February return and how often it rose — the last 5 years versus the last 10(the heatmap’s default window). This verdict stays anchored to that 10-year window even if you zoom the chart, so it never disagrees with the badges above.
In plain English
There's a real but measured seasonal tilt here, toward February — the firmest corner of the calendar, higher in 6 of 9 Februaries.
A typical February brings +4.0%, a shade under the +6.0% average. That reliability comes with real swings, mind — even February ranges by 23.2% from year to year, so any single year can land far from the average. Better still, that strength is the stock's own and not just a buoyant market — February has outpaced the S&P 500 by +6.3 points on average. It is the more striking for the company it keeps — February is a losing month for most of the market, where barely 49% of names gain ground.
It doesn't stand entirely alone — November and December have leaned firm as well, if less emphatically. At the other end of the calendar, March is the year's low point, though even there the stock has stayed positive on average (+1.5%), a sign every month leans up, and the edge isn't year-round — the stock has trailed the S&P 500 in June, July, and May. Its roughest month on record was a −83.3% July in 2019 — a reminder of how hard even a seasonal name can fall.
If anything it has sharpened recently — the last five Februaries run ahead of the earlier years.
Treat it as a tendency rather than a rule — seasonality describes the past, not a promise. With returns that swing hard year to year, the signal is best held loosely.
Short answers on the stock's best month (February), its worst (March), and whether it really trades seasonally.
Yes, to a moderate degree. Since 2016 its best month (February, +6.0%) has run well ahead of its worst (March, +1.5%) — the heatmap above shows how steady that gap has been year to year.
February has been the strongest, averaging +6.0% and closing higher in 6 of 9 years since 2016.
It's the weakest month, but it has still averaged a small gain (+1.5%) — quiet rather than genuinely bad.
Explore
These names have the strongest July track records on record — a starting point for comparison.
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