BCDA vs CNSY: Correlation
BioCardia, Inc. (BCDA) and Cerenome, Inc. (CNSY) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCDA and CNSY?
Across a 3-year window, the weekly returns of BCDA and CNSY correlate at 0.41, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.16 versus 0.41 over 3 years. Stretching to 5 years gives 0.34, with an annualized covariance of 6418.1 %².
Among the 13 assets we track against BCDA, CNSY ranks #4 by 3-year correlation. The last year tells two different stories: BCDA led by 35.0 percentage points, -39.7% for BCDA against -74.7% for CNSY. Risk is not evenly split, since CNSY carries 1.5 times the volatility of the other side.
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.
BCDA vs CNSY: side by side
| BCDA (BioCardia, Inc.) | CNSY (Cerenome, Inc.) | |
|---|---|---|
| 1-year return | -39.7% | -74.7% |
| 5-year return | -97.4% | -99.6% |
| Volatility (ann.) | 102.2% | 154.9% |
| Beta vs S&P 500 | 1.62 | 2.28 |
| Max drawdown (3Y) | -95.2% | -96.1% |
| Market cap | – | – |
| P/E (trailing) | – | 1.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCDA | CNSY |
|---|---|---|
| 2022 | +7.7% | -69.5% |
| 2023 | -68.4% | -63.5% |
| 2024 | -78.0% | -34.3% |
| 2025 | -42.7% | -55.7% |
| 2026 | -6.4% | -75.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCDA and CNSY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BCDA and CNSY?
As of 2026-08-27, the correlation of weekly returns between BCDA and CNSY is 0.41 over 3 years, 0.16 over 1 year and 0.34 over 5 years.
Is CNSY a good diversifier for BCDA?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: BCDA correlations · CNSY correlations
