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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

Correlation (3Y)
-0.27
negative
Correlation (1Y)
-0.06
last 12 months
Correlation (5Y)
-0.17
long-run
Ann. covariance
-3239.6
%² · weekly, annualized

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 5000.993.17
Max drawdown (3Y)-92.1%-94.1%
Market cap$0.1B$0.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: IMA -92.1% vs -94.1%
-83%0%+39%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IMA · KRRO

Year-by-year returns

YearIMAKRRO
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ima-vs-krro.json

IMA vs KRRO: 3-year weekly correlation -0.27IMA vs KRRO-0.27

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Related comparisons

Hubs: IMA correlations · KRRO correlations