KYMR vs RFL: Correlation
How closely do Kymera Therapeutics, Inc. (KYMR) and Rafael Holdings, Inc. (RFL) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KYMR and RFL?
Over the past 3 years, KYMR and RFL moved with a correlation of 0.35, which is moderate. The relationship has been stable: the 1-year correlation (0.27) sits close to the 3-year figure. Over 5 years the correlation is 0.27, and the annualized covariance of weekly returns is 1592.8 %².
RFL is close to the least connected end of KYMR's tracked universe, ranking #28 of 31. Correlation aside, the last 12 months split them widely, with KYMR ahead by 126.5 points (+184.5% versus +58.0%).
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 RFL: side by side
| KYMR (Kymera Therapeutics, Inc.) | RFL (Rafael Holdings, Inc.) | |
|---|---|---|
| 1-year return | +184.5% | +58.0% |
| 5-year return | +96.7% | -94.5% |
| Volatility (ann.) | 74.1% | 61.2% |
| Beta vs S&P 500 | 2.12 | 0.61 |
| Max drawdown (3Y) | -59.8% | -59.3% |
| Market cap | $9.9B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KYMR | RFL |
|---|---|---|
| 2022 | -60.7% | -63.3% |
| 2023 | +2.0% | -2.1% |
| 2024 | +58.0% | -9.8% |
| 2025 | +93.4% | -27.5% |
| 2026 | +54.5% | +100.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KYMR and RFL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between KYMR and RFL?
Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.27 over the last year and 0.27 over 5 years.
Is RFL a good diversifier for KYMR?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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-rfl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/kymr-vs-rfl/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KYMR correlations · RFL correlations
