BCHT vs HSCS: Correlation
How closely do Birchtech Corp. (BCHT) and HeartSciences Inc. (HSCS) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCHT and HSCS?
Across a 3-year window, the weekly returns of BCHT and HSCS correlate at -0.19, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.07 versus -0.19 over 3 years. Stretching to 5 years gives -0.04, with an annualized covariance of -1597.7 %².
Out of 12 assets tracked against BCHT, HSCS lands near the bottom at #8. The last year tells two different stories: HSCS led by 47.2 percentage points, -54.9% for BCHT against -7.7% for HSCS.
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.
BCHT vs HSCS: side by side
| BCHT (Birchtech Corp.) | HSCS (HeartSciences Inc.) | |
|---|---|---|
| 1-year return | -54.9% | -7.7% |
| 5-year return | -67.4% | -98.7% |
| Volatility (ann.) | 80.4% | 104.0% |
| Beta vs S&P 500 | 0.41 | 0.88 |
| Max drawdown (3Y) | -80.2% | -98.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCHT | HSCS |
|---|---|---|
| 2022 | -55.9% | – |
| 2023 | +253.8% | -79.6% |
| 2024 | -44.6% | -77.7% |
| 2025 | +47.1% | -19.1% |
| 2026 | -66.9% | +1.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCHT and HSCS good diversifiers for each other?
Yes. With a correlation of -0.19, BCHT and HSCS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BCHT and HSCS?
The BCHT/HSCS correlation stands at -0.19 on a 3-year window (1 year: -0.07, 5 years: -0.04), computed from weekly returns as of 2026-08-27.
Is HSCS a good diversifier for BCHT?
Yes. With a correlation of -0.19, BCHT and HSCS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.19 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/bcht-vs-hscs.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bcht-vs-hscs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BCHT correlations · HSCS correlations
