The takeaway
ASP Isotopes Inc. Common Stock shows a pronounced seasonal pattern over 4 years of data — strongest in October (+66.3%) and softest in December (−11.1%).
Right now
In July, the stock has risen 67% of years, averaging +29.8%, about +27.7 pts better than the S&P 500.
The full picture
ASP Isotopes Inc. Common Stock's most dependable month has been October, higher in 3 of 3 years; December has been its least reliable, up just 0% of the time.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Win rate % | ||||||||||||
| Median return % | ||||||||||||
| 2025 | ||||||||||||
| 2024 | ||||||||||||
| 2023 | ||||||||||||
| 2022 | — | — | — | — | — | — | — | — | — | — |
Month by month
The stock's clearest edge over the S&P 500 lands in October (+65.2 pts); it has trailed the market most in April (−17.5 pts).
“vs S&P” is ASP Isotopes Inc. Common Stock’s average for a month minus the S&P 500’s average for that same month — isolating ASP Isotopes Inc. Common Stock’s own seasonal edge from broad market drift.
Reality check
Over the last 3 years, October has closed higher 100% of the time versus 100% across the last 4 years — the pattern is holding.
Figures are the typical (median) October return and how often it rose — the last 3 years versus the last 4(the heatmap’s default window). This verdict stays anchored to that 4-year window even if you zoom the chart, so it never disagrees with the badges above.
In plain English
Strip the year back and a single month does the heavy lifting: October, up in all 3 Octobers while the other eleven tend to blur together.
The headline flatters a touch — its +66.3% average sits well above the +23.6% a typical year delivers, the work of a few big Octobers. That reliability comes with real swings, mind — even October ranges by 69.1% from year to year, so any single year can land far from the average. Crucially, the gain is the stock's own rather than a rising tide's: October has cleared the S&P 500 by +65.2 points above the index. That consistency sets it apart from the field, where the average stock manages October only about 53% of the time.
A few other months pull their weight: January, February, and March have also closed higher more often than not. The weaker half of the year is plainer: December has been the soft spot — the weakest of 5 months that average a loss (−11.1%), and the edge isn't year-round — the stock has trailed the S&P 500 in April, December, and March. Its roughest month on record was a −52.6% March in 2023 — a reminder of how hard even a seasonal name can fall.
The takeaway is less about when to buy than what to expect: October aside, the stock's months offer little reliable tilt. With a short 4-year record and returns that swing hard year to year, the signal is best held loosely.
Short answers on the stock's best month (October), its worst (December), and whether it really trades seasonally.
Yes, to a pronounced degree. Since 2022 its best month (October, +66.3%) has run well ahead of its worst (December, −11.1%) — the heatmap above shows how steady that gap has been year to year.
October has been the strongest, averaging +66.3% and closing higher in all 3 years on record since 2022.
It's the weakest, averaging −11.1% — historically a soft spot, though it still varies from year to year.
Explore
These names have the strongest July track records on record — a starting point for comparison.
Before you trade