IOSP vs RDNW: Correlation
How closely do Innospec Inc. (IOSP) and RideNow Group, Inc. (RDNW) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IOSP and RDNW?
Across a 3-year window, the weekly returns of IOSP and RDNW correlate at 0.50, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.33 versus 0.50 over 3 years. Stretching to 5 years gives 0.31, with an annualized covariance of 1073.2 %².
Within IOSP's tracked universe of 35 assets, RDNW comes in at #25 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RDNW ahead by 61.7 points (+11.3% versus +73.0%). One caveat on sizing: RDNW is 3.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
IOSP vs RDNW: side by side
| IOSP (Innospec Inc.) | RDNW (RideNow Group, Inc.) | |
|---|---|---|
| 1-year return | +11.3% | +73.0% |
| 5-year return | +10.2% | -83.4% |
| Volatility (ann.) | 26.6% | 80.4% |
| Beta vs S&P 500 | 0.94 | 2.03 |
| Max drawdown (3Y) | -48.4% | -82.3% |
| Market cap | $2.3B | $0.2B |
| P/E (trailing) | 19.5 | – |
| Dividend yield | 1.87% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IOSP | RDNW |
|---|---|---|
| 2022 | +15.2% | -84.4% |
| 2023 | +21.5% | +25.8% |
| 2024 | -9.6% | -33.3% |
| 2025 | -28.9% | +1.7% |
| 2026 | +26.0% | +6.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IOSP and RDNW good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between IOSP and RDNW?
As of 2026-08-27, the correlation of weekly returns between IOSP and RDNW is 0.50 over 3 years, 0.33 over 1 year and 0.31 over 5 years.
Is RDNW a good diversifier for IOSP?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
A reading of 0.50 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/iosp-vs-rdnw.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/iosp-vs-rdnw/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: IOSP correlations · RDNW correlations
