EMR vs PCAR: Correlation
How closely do Emerson Electric (EMR) and Paccar (PCAR) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EMR and PCAR?
On 3 years of weekly data the EMR/PCAR correlation comes out at 0.56, moderate. Little has changed lately, as the 1-year reading of 0.47 lands near the 3-year figure. The 5-year figure is 0.60, and annualized covariance runs at 382.3 %².
Among the 47 assets we track against EMR, PCAR ranks #28 by 3-year correlation. On 12-month performance PCAR holds a 7.8-point edge, +20.0% against +27.8%. The rolling one-year correlation moved between 0.43 and 0.68 over the past three years, a moderate range.
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 PCAR: side by side
| EMR (Emerson Electric) | PCAR (Paccar) | |
|---|---|---|
| 1-year return | +20.0% | +27.8% |
| 5-year return | +65.4% | +177.9% |
| Volatility (ann.) | 28.3% | 24.1% |
| Beta vs S&P 500 | 1.29 | 0.74 |
| Max drawdown (3Y) | -29.6% | -27.7% |
| Market cap | $88.0B | $66.6B |
| P/E (trailing) | 34.5 | 26.6 |
| Dividend yield | 1.39% | 1.04% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | EMR | PCAR |
|---|---|---|
| 2022 | +5.7% | +17.0% |
| 2023 | +3.8% | +55.0% |
| 2024 | +29.7% | +10.8% |
| 2025 | +8.9% | +8.0% |
| 2026 | +20.2% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EMR and PCAR good diversifiers for each other?
Only partially. A correlation of 0.56 means EMR and PCAR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between EMR and PCAR?
As of 2026-08-27, the correlation of weekly returns between EMR and PCAR is 0.56 over 3 years, 0.47 over 1 year and 0.60 over 5 years.
Is PCAR a good diversifier for EMR?
Only partially. A correlation of 0.56 means EMR and PCAR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.56 mean?
A reading of 0.56 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/emr-vs-pcar.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/emr-vs-pcar/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EMR correlations · PCAR correlations
