DCI vs MNKD: Correlation
Measured on weekly returns over the past three years, Donaldson Company, Inc. (DCI) and MannKind Corporation (MNKD) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DCI and MNKD?
Over the past 3 years, DCI and MNKD moved with a correlation of 0.42, which is moderate. The link has tightened recently: the 1-year correlation (0.52) runs above the 3-year figure (0.42). Over 5 years the correlation is 0.33, and the annualized covariance of weekly returns is 510.1 %².
Within DCI's tracked universe of 15 assets, MNKD comes in at #10 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months DCI outperformed by 24.2 percentage points (+14.0% for DCI against -10.2% for MNKD). Risk is not evenly split, since MNKD 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.
DCI vs MNKD: side by side
| DCI (Donaldson Company, Inc.) | MNKD (MannKind Corporation) | |
|---|---|---|
| 1-year return | +14.0% | -10.2% |
| 5-year return | +44.4% | -13.8% |
| Volatility (ann.) | 21.0% | 57.7% |
| Beta vs S&P 500 | 0.74 | 1.17 |
| Max drawdown (3Y) | -26.0% | -69.4% |
| Market cap | – | $1.3B |
| P/E (trailing) | 24.8 | – |
| Dividend yield | 1.30% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DCI | MNKD |
|---|---|---|
| 2022 | +1.0% | +20.6% |
| 2023 | +12.8% | -30.9% |
| 2024 | +4.6% | +76.6% |
| 2025 | +33.7% | -11.8% |
| 2026 | +5.3% | -28.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DCI and MNKD good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between DCI and MNKD?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.52 over the last year and 0.33 over 5 years.
Is MNKD a good diversifier for DCI?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/dci-vs-mnkd.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dci-vs-mnkd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DCI correlations · MNKD correlations
