NGVT vs SMP: Correlation
Measured on weekly returns over the past three years, Ingevity Corporation (NGVT) and Standard Motor Products, Inc. (SMP) carry a correlation of 0.63, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NGVT and SMP?
Over the past 3 years, NGVT and SMP moved with a correlation of 0.63, which is strong. Little has changed lately, as the 1-year reading of 0.57 lands near the 3-year figure. Over 5 years the correlation is 0.54, and the annualized covariance of weekly returns is 1087.2 %².
Among the 23 assets we track against NGVT, SMP ranks #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months NGVT outperformed by 24.2 percentage points (+21.5% for NGVT against -2.7% for SMP).
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.
NGVT vs SMP: side by side
| NGVT (Ingevity Corporation) | SMP (Standard Motor Products, Inc.) | |
|---|---|---|
| 1-year return | +21.5% | -2.7% |
| 5-year return | -14.1% | +1.1% |
| Volatility (ann.) | 48.8% | 35.3% |
| Beta vs S&P 500 | 1.39 | 0.75 |
| Max drawdown (3Y) | -45.8% | -44.8% |
| Market cap | $2.4B | $0.8B |
| P/E (trailing) | 98.2 | 9.4 |
| Dividend yield | 0.00% | 3.50% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NGVT | SMP |
|---|---|---|
| 2022 | -1.8% | -31.8% |
| 2023 | -33.0% | +18.0% |
| 2024 | -13.7% | -19.4% |
| 2025 | +45.2% | +23.4% |
| 2026 | +17.8% | +3.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NGVT and SMP good diversifiers for each other?
Only partially. A correlation of 0.63 means NGVT and SMP 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 NGVT and SMP?
Using weekly returns as of 2026-08-27: 0.63 over 3 years, with 0.57 over the last year and 0.54 over 5 years.
Is SMP a good diversifier for NGVT?
Only partially. A correlation of 0.63 means NGVT and SMP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.63 mean?
On the −1 to +1 scale, 0.63 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/ngvt-vs-smp.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ngvt-vs-smp/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NGVT correlations · SMP correlations
