BJDX vs GPN: Correlation
Measured on weekly returns over the past three years, Bluejay Diagnostics, Inc. (BJDX) and Global Payments (GPN) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BJDX and GPN?
On 3 years of weekly data the BJDX/GPN correlation comes out at -0.18, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.38) runs below the 3-year figure (-0.18). The 5-year figure is -0.05, and annualized covariance runs at -966.1 %².
By 3-year correlation, GPN places #8 of the 19 assets tracked against BJDX. The last year tells two different stories: GPN led by 90.4 percentage points, -83.4% for BJDX against +7.0% for GPN. Note the risk asymmetry: BJDX runs 4.2 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.
BJDX vs GPN: side by side
| BJDX (Bluejay Diagnostics, Inc.) | GPN (Global Payments) | |
|---|---|---|
| 1-year return | -83.4% | +7.0% |
| 5-year return | -100.0% | -39.6% |
| Volatility (ann.) | 151.7% | 35.9% |
| Beta vs S&P 500 | -0.30 | 1.22 |
| Max drawdown (3Y) | -100.0% | -54.0% |
| Market cap | – | $24.5B |
| P/E (trailing) | – | 44.0 |
| Dividend yield | 0.00% | 1.08% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | BJDX | GPN |
|---|---|---|
| 2022 | -85.2% | -25.9% |
| 2023 | -83.9% | +29.0% |
| 2024 | -99.0% | -11.0% |
| 2025 | -86.3% | -30.1% |
| 2026 | -65.9% | +20.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BJDX and GPN good diversifiers for each other?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BJDX and GPN?
As of 2026-08-27, the correlation of weekly returns between BJDX and GPN is -0.18 over 3 years, -0.38 over 1 year and -0.05 over 5 years.
Is GPN a good diversifier for BJDX?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.18 mean?
On the −1 to +1 scale, -0.18 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-gpn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bjdx-vs-gpn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BJDX correlations · GPN correlations
