BIAF vs XPON: Correlation
Measured on weekly returns over the past three years, bioAffinity Technologies, Inc. (BIAF) and Expion360 Inc. (XPON) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BIAF and XPON?
Over the past 3 years, BIAF and XPON moved with a correlation of 0.53, which is moderate. The link has tightened recently: the 1-year correlation (0.88) runs above the 3-year figure (0.53). Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 52473.5 %².
By 3-year correlation, XPON places #9 of the 24 assets tracked against BIAF. The last year tells two different stories: BIAF led by 28.0 percentage points, -32.0% for BIAF against -60.0% for XPON. One caveat on sizing: BIAF is 4.8 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.
BIAF vs XPON: side by side
| BIAF (bioAffinity Technologies, Inc.) | XPON (Expion360 Inc.) | |
|---|---|---|
| 1-year return | -32.0% | -60.0% |
| 5-year return | n/a | -99.9% |
| Volatility (ann.) | 691.4% | 144.0% |
| Beta vs S&P 500 | -2.10 | 1.37 |
| Max drawdown (3Y) | -99.6% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BIAF | XPON |
|---|---|---|
| 2023 | -8.1% | +134.3% |
| 2024 | -38.1% | -99.6% |
| 2025 | -95.7% | -71.6% |
| 2026 | +328.8% | -2.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BIAF and XPON good diversifiers for each other?
Only partially. A correlation of 0.53 means BIAF and XPON share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BIAF and XPON?
The BIAF/XPON correlation stands at 0.53 on a 3-year window (1 year: 0.88, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is XPON a good diversifier for BIAF?
Only partially. A correlation of 0.53 means BIAF and XPON share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 mean?
On the −1 to +1 scale, 0.53 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/biaf-vs-xpon.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/biaf-vs-xpon/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BIAF correlations · XPON correlations
