BFRG vs CYCN: Correlation
Bullfrog AI Holdings, Inc. (BFRG) and Cyclerion Therapeutics, Inc. (CYCN) show a strong relationship: their 3-year correlation of weekly returns is 0.60.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BFRG and CYCN?
On 3 years of weekly data the BFRG/CYCN correlation comes out at 0.60, strong. The link has tightened recently: the 1-year correlation (0.89) runs above the 3-year figure (0.60). The 5-year figure is n/a, and annualized covariance runs at 17000.5 %².
In BFRG's tracked universe of 10 assets, CYCN sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months CYCN outperformed by 110.4 percentage points (-55.1% for BFRG against +55.3% for CYCN). One caveat on sizing: CYCN is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
BFRG vs CYCN: side by side
| BFRG (Bullfrog AI Holdings, Inc.) | CYCN (Cyclerion Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -55.1% | +55.3% |
| 5-year return | n/a | -93.7% |
| Volatility (ann.) | 136.8% | 208.6% |
| Beta vs S&P 500 | 3.10 | 1.03 |
| Max drawdown (3Y) | -93.8% | -83.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BFRG | CYCN |
|---|---|---|
| 2022 | – | -61.9% |
| 2023 | – | -74.5% |
| 2024 | -38.7% | -3.9% |
| 2025 | -55.8% | -60.6% |
| 2026 | -36.0% | +214.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BFRG and CYCN good diversifiers for each other?
To a limited degree. At 0.60 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between BFRG and CYCN?
As of 2026-08-27, the correlation of weekly returns between BFRG and CYCN is 0.60 over 3 years, 0.89 over 1 year and n/a over 5 years.
Is CYCN a good diversifier for BFRG?
To a limited degree. At 0.60 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.60 mean?
On the −1 to +1 scale, 0.60 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/bfrg-vs-cycn.json
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Related comparisons
Hubs: BFRG correlations · CYCN correlations
