BJDX vs LBTYK: Correlation
Bluejay Diagnostics, Inc. (BJDX) and Liberty Global Ltd. - Class C (LBTYK) show a negative relationship: their 3-year correlation of weekly returns is -0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BJDX and LBTYK?
Over the past 3 years, BJDX and LBTYK moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.34) than the 3-year average (-0.21). Over 5 years the correlation is -0.08, and the annualized covariance of weekly returns is -938.6 %².
Among the 19 assets we track against BJDX, LBTYK ranks #9 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months LBTYK outperformed by 69.0 percentage points (-83.4% for BJDX against -14.4% for LBTYK). One caveat on sizing: BJDX is 5.1 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.
BJDX vs LBTYK: side by side
| BJDX (Bluejay Diagnostics, Inc.) | LBTYK (Liberty Global Ltd. - Class C) | |
|---|---|---|
| 1-year return | -83.4% | -14.4% |
| 5-year return | -100.0% | -31.3% |
| Volatility (ann.) | 151.7% | 29.7% |
| Beta vs S&P 500 | -0.30 | 0.45 |
| Max drawdown (3Y) | -100.0% | -36.4% |
| Market cap | – | $3.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BJDX | LBTYK |
|---|---|---|
| 2022 | -85.2% | -30.8% |
| 2023 | -83.9% | -4.1% |
| 2024 | -99.0% | +34.6% |
| 2025 | -86.3% | -16.0% |
| 2026 | -65.9% | -6.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BJDX and LBTYK good diversifiers for each other?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
FAQ
What is the correlation between BJDX and LBTYK?
Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.34 over the last year and -0.08 over 5 years.
Is LBTYK a good diversifier for BJDX?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 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/bjdx-vs-lbtyk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bjdx-vs-lbtyk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BJDX correlations · LBTYK correlations
