IMA vs KRRO: Correlation
How closely do ImageneBio, Inc. (IMA) and Korro Bio, Inc. (KRRO) trade together? Their weekly returns over three years give a correlation of -0.27, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IMA and KRRO?
Over the past 3 years, IMA and KRRO moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.06 versus -0.27 over 3 years. Over 5 years the correlation is -0.17, and the annualized covariance of weekly returns is -3239.6 %².
Among the 12 assets we track against IMA, KRRO sits near the bottom by co-movement, at rank #11. Their recent paths diverged sharply: over the last 12 months KRRO outperformed by 22.3 percentage points (-60.9% for IMA against -38.6% for KRRO). One caveat on sizing: KRRO is 2.3 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.
IMA vs KRRO: side by side
| IMA (ImageneBio, Inc.) | KRRO (Korro Bio, Inc.) | |
|---|---|---|
| 1-year return | -60.9% | -38.6% |
| 5-year return | -96.6% | -96.6% |
| Volatility (ann.) | 71.9% | 166.3% |
| Beta vs S&P 500 | 0.99 | 3.17 |
| Max drawdown (3Y) | -92.1% | -94.1% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IMA | KRRO |
|---|---|---|
| 2022 | -78.8% | -25.0% |
| 2023 | -25.9% | -75.1% |
| 2024 | -16.8% | -20.6% |
| 2025 | -64.9% | -79.0% |
| 2026 | -22.8% | +65.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IMA and KRRO good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between IMA and KRRO?
Using weekly returns as of 2026-08-27: -0.27 over 3 years, with -0.06 over the last year and -0.17 over 5 years.
Is KRRO a good diversifier for IMA?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.27 mean?
On the −1 to +1 scale, -0.27 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/ima-vs-krro.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ima-vs-krro/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IMA correlations · KRRO correlations