BRTX vs KPRX: Correlation
How closely do BioRestorative Therapies, Inc. (BRTX) and Kiora Pharmaceuticals, Inc. (KPRX) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRTX and KPRX?
Over the past 3 years, BRTX and KPRX moved with a correlation of 0.35, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.19 versus 0.35 over 3 years. Over 5 years the correlation is 0.12, and the annualized covariance of weekly returns is 2683.6 %².
Within BRTX's tracked universe of 10 assets, KPRX comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with KPRX ahead by 79.8 points (-86.8% versus -7.0%). Note the risk asymmetry: BRTX runs 2.1 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
BRTX vs KPRX: side by side
| BRTX (BioRestorative Therapies, Inc.) | KPRX (Kiora Pharmaceuticals, Inc.) | |
|---|---|---|
| 1-year return | -86.8% | -7.0% |
| 5-year return | -98.4% | -99.6% |
| Volatility (ann.) | 125.6% | 60.9% |
| Beta vs S&P 500 | 1.27 | 1.09 |
| Max drawdown (3Y) | -95.1% | -76.5% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BRTX | KPRX |
|---|---|---|
| 2022 | -36.6% | -94.3% |
| 2023 | -36.7% | -84.8% |
| 2024 | -17.8% | -29.8% |
| 2025 | -17.8% | -40.3% |
| 2026 | -82.5% | +35.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRTX and KPRX good diversifiers for each other?
Reasonably. At 0.35, BRTX and KPRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BRTX and KPRX?
Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.19 over the last year and 0.12 over 5 years.
Is KPRX a good diversifier for BRTX?
Reasonably. At 0.35, BRTX and KPRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/brtx-vs-kprx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/brtx-vs-kprx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BRTX correlations · KPRX correlations
