EXPO vs RMD: Correlation
Exponent, Inc. (EXPO) and ResMed (RMD) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EXPO and RMD?
Across a 3-year window, the weekly returns of EXPO and RMD correlate at 0.46, moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. Stretching to 5 years gives 0.41, with an annualized covariance of 453.9 %².
Within EXPO's tracked universe of 13 assets, RMD comes in at #8 by 3-year correlation. On 12-month performance EXPO holds a 14.7-point edge, -0.8% against -15.5%.
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.
EXPO vs RMD: side by side
| EXPO (Exponent, Inc.) | RMD (ResMed) | |
|---|---|---|
| 1-year return | -0.8% | -15.5% |
| 5-year return | -35.2% | -14.6% |
| Volatility (ann.) | 31.7% | 31.2% |
| Beta vs S&P 500 | 0.84 | 0.79 |
| Max drawdown (3Y) | -52.4% | -37.3% |
| Market cap | $3.4B | $34.0B |
| P/E (trailing) | 31.9 | 22.6 |
| Dividend yield | 1.73% | 1.02% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | EXPO | RMD |
|---|---|---|
| 2022 | -14.3% | -19.5% |
| 2023 | -10.1% | -16.5% |
| 2024 | +2.4% | +34.2% |
| 2025 | -20.8% | +6.3% |
| 2026 | +3.4% | -1.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EXPO and RMD good diversifiers for each other?
Reasonably. At 0.46, EXPO and RMD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between EXPO and RMD?
The EXPO/RMD correlation stands at 0.46 on a 3-year window (1 year: 0.54, 5 years: 0.41), computed from weekly returns as of 2026-08-27.
Is RMD a good diversifier for EXPO?
Reasonably. At 0.46, EXPO and RMD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
A reading of 0.46 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/expo-vs-rmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/expo-vs-rmd/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EXPO correlations · RMD correlations
