ACON vs STEM: Correlation
Measured on weekly returns over the past three years, Aclarion, Inc. (ACON) and Stem, Inc. (STEM) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACON and STEM?
Across a 3-year window, the weekly returns of ACON and STEM correlate at 0.45, moderate. The past 12 months show a weaker link (0.25) than the 3-year average (0.45). Stretching to 5 years gives 0.38, with an annualized covariance of 7873.4 %².
STEM is one of the assets that tracks ACON most closely: it ranks #2 out of the 15 assets we track against ACON. Neither side won the trailing year by much: -64.3% against -64.9%.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
ACON vs STEM: side by side
| ACON (Aclarion, Inc.) | STEM (Stem, Inc.) | |
|---|---|---|
| 1-year return | -64.3% | -64.9% |
| 5-year return | -100.0% | -98.9% |
| Volatility (ann.) | 135.5% | 129.9% |
| Beta vs S&P 500 | 0.88 | 2.49 |
| Max drawdown (3Y) | -100.0% | -95.5% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACON | STEM |
|---|---|---|
| 2022 | – | -52.9% |
| 2023 | -65.5% | -56.6% |
| 2024 | -95.5% | -84.5% |
| 2025 | -99.6% | +24.8% |
| 2026 | -45.2% | -62.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACON and STEM good diversifiers for each other?
Reasonably. At 0.45, ACON and STEM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACON and STEM?
The ACON/STEM correlation stands at 0.45 on a 3-year window (1 year: 0.25, 5 years: 0.38), computed from weekly returns as of 2026-08-27.
Is STEM a good diversifier for ACON?
Reasonably. At 0.45, ACON and STEM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.45 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/acon-vs-stem.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/acon-vs-stem/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACON correlations · STEM correlations
