KYMR vs XBI: Correlation
Measured on weekly returns over the past three years, Kymera Therapeutics, Inc. (KYMR) and SPDR S&P Biotech ETF (XBI) carry a correlation of 0.66, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KYMR and XBI?
Over the past 3 years, KYMR and XBI moved with a correlation of 0.66, which is strong. The link has loosened recently: the 1-year correlation (0.51) runs below the 3-year figure (0.66). Over 5 years the correlation is 0.67, and the annualized covariance of weekly returns is 1349.2 %².
In KYMR's tracked universe of 31 assets, XBI sits right near the top at #1. Correlation aside, the last 12 months split them widely, with KYMR ahead by 97.3 points (+184.5% versus +87.2%). Risk is not evenly split, since KYMR carries 2.7 times the volatility of the other side.
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.
KYMR vs XBI: side by side
| KYMR (Kymera Therapeutics, Inc.) | XBI (SPDR S&P Biotech ETF) | |
|---|---|---|
| 1-year return | +184.5% | +87.2% |
| 5-year return | +96.7% | +28.6% |
| Volatility (ann.) | 74.1% | 27.7% |
| Beta vs S&P 500 | 2.12 | 1.09 |
| Max drawdown (3Y) | -59.8% | -33.0% |
| Market cap | $9.9B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | ETF · Thematic |
Year-by-year returns
| Year | KYMR | XBI |
|---|---|---|
| 2022 | -60.7% | -25.9% |
| 2023 | +2.0% | +7.6% |
| 2024 | +58.0% | +1.0% |
| 2025 | +93.4% | +35.9% |
| 2026 | +54.5% | +38.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KYMR and XBI good diversifiers for each other?
Somewhat, no more. With 0.66 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between KYMR and XBI?
As of 2026-08-27, the correlation of weekly returns between KYMR and XBI is 0.66 over 3 years, 0.51 over 1 year and 0.67 over 5 years.
Is XBI a good diversifier for KYMR?
Somewhat, no more. With 0.66 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.66 mean?
On the −1 to +1 scale, 0.66 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/kymr-vs-xbi.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/kymr-vs-xbi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KYMR correlations · XBI correlations
