ROP vs SMPL: Correlation
How closely do Roper Technologies (ROP) and The Simply Good Foods Company (SMPL) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ROP and SMPL?
Across a 3-year window, the weekly returns of ROP and SMPL correlate at 0.38, moderate. The relationship has been stable: the 1-year correlation (0.44) sits close to the 3-year figure. Stretching to 5 years gives 0.37, with an annualized covariance of 289.3 %².
By 3-year correlation, SMPL places #33 of the 47 assets tracked against ROP. Correlation aside, the last 12 months split them widely, with ROP ahead by 45.6 points (-19.3% versus -64.9%). Note the risk asymmetry: SMPL runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ROP vs SMPL: side by side
| ROP (Roper Technologies) | SMPL (The Simply Good Foods Company) | |
|---|---|---|
| 1-year return | -19.3% | -64.9% |
| 5-year return | -9.6% | -71.3% |
| Volatility (ann.) | 20.5% | 37.3% |
| Beta vs S&P 500 | 0.55 | 0.38 |
| Max drawdown (3Y) | -46.5% | -76.2% |
| Market cap | $41.8B | $0.9B |
| P/E (trailing) | 17.6 | – |
| Dividend yield | 0.86% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | ROP | SMPL |
|---|---|---|
| 2022 | -11.6% | -8.5% |
| 2023 | +26.9% | +4.1% |
| 2024 | -4.1% | -1.6% |
| 2025 | -13.8% | -48.5% |
| 2026 | -4.4% | -49.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ROP and SMPL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ROP and SMPL?
The ROP/SMPL correlation stands at 0.38 on a 3-year window (1 year: 0.44, 5 years: 0.37), computed from weekly returns as of 2026-08-27.
Is SMPL a good diversifier for ROP?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 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/rop-vs-smpl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rop-vs-smpl/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ROP correlations · SMPL correlations
