EMR vs IEX: Correlation
Emerson Electric (EMR) and IDEX Corporation (IEX) show a strong relationship: their 3-year correlation of weekly returns is 0.66.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EMR and IEX?
Over the past 3 years, EMR and IEX moved with a correlation of 0.66, which is strong. Recent behaviour matches the longer record: 0.67 over 1 year against 0.66 over 3. Over 5 years the correlation is 0.65, and the annualized covariance of weekly returns is 437.8 %².
Among the 47 assets we track against EMR, IEX ranks #17 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IEX ahead by 23.0 points (+20.0% versus +43.0%). Stability stands out here, with the rolling one-year correlation confined to 0.52 through 0.76.
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.
EMR vs IEX: side by side
| EMR (Emerson Electric) | IEX (IDEX Corporation) | |
|---|---|---|
| 1-year return | +20.0% | +43.0% |
| 5-year return | +65.4% | +10.5% |
| Volatility (ann.) | 28.3% | 23.3% |
| Beta vs S&P 500 | 1.29 | 0.89 |
| Max drawdown (3Y) | -29.6% | -34.6% |
| Market cap | $88.0B | $17.2B |
| P/E (trailing) | 34.5 | 33.8 |
| Dividend yield | 1.39% | 1.23% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | EMR | IEX |
|---|---|---|
| 2022 | +5.7% | -2.2% |
| 2023 | +3.8% | -3.8% |
| 2024 | +29.7% | -2.4% |
| 2025 | +8.9% | -13.7% |
| 2026 | +20.2% | +32.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EMR and IEX 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 EMR and IEX?
The EMR/IEX correlation stands at 0.66 on a 3-year window (1 year: 0.67, 5 years: 0.65), computed from weekly returns as of 2026-08-27.
Is IEX a good diversifier for EMR?
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/emr-vs-iex.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/emr-vs-iex/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EMR correlations · IEX correlations
