BDSX vs IOVA: Correlation
Biodesix, Inc. (BDSX) and Iovance Biotherapeutics, Inc. (IOVA) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BDSX and IOVA?
Across a 3-year window, the weekly returns of BDSX and IOVA correlate at 0.37, moderate. Recent behaviour matches the longer record: 0.38 over 1 year against 0.37 over 3. Stretching to 5 years gives 0.25, with an annualized covariance of 3501.8 %².
Within BDSX's tracked universe of 11 assets, IOVA comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IOVA ahead by 38.3 points (+203.0% versus +241.3%).
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.
BDSX vs IOVA: side by side
| BDSX (Biodesix, Inc.) | IOVA (Iovance Biotherapeutics, Inc.) | |
|---|---|---|
| 1-year return | +203.0% | +241.3% |
| 5-year return | -84.0% | -64.9% |
| Volatility (ann.) | 92.6% | 103.2% |
| Beta vs S&P 500 | 0.57 | 1.90 |
| Max drawdown (3Y) | -89.7% | -90.5% |
| Market cap | $0.3B | $3.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BDSX | IOVA |
|---|---|---|
| 2022 | -56.5% | -66.5% |
| 2023 | -20.0% | +27.2% |
| 2024 | -16.8% | -9.0% |
| 2025 | -77.8% | -63.1% |
| 2026 | +318.8% | +202.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BDSX and IOVA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BDSX and IOVA?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.38 over the last year and 0.25 over 5 years.
Is IOVA a good diversifier for BDSX?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
A reading of 0.37 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bdsx-vs-iova.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bdsx-vs-iova/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BDSX correlations · IOVA correlations
