PairBook
HomeNNBR › NNBR vs SRI

NNBR vs SRI: Correlation

How closely do NN, Inc. (NNBR) and Stoneridge, Inc. (SRI) 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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
2282.5
%² · weekly, annualized

How correlated are NNBR and SRI?

On 3 years of weekly data the NNBR/SRI correlation comes out at 0.50, moderate. Recent behaviour matches the longer record: 0.50 over 1 year against 0.50 over 3. The 5-year figure is 0.41, and annualized covariance runs at 2282.5 %².

Within NNBR's tracked universe of 11 assets, SRI comes in at #5 by 3-year correlation. The last year tells two different stories: NNBR led by 57.4 percentage points, +40.0% for NNBR against -17.4% for SRI.

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.

NNBR vs SRI: side by side

NNBR (NN, Inc.)SRI (Stoneridge, Inc.)
1-year return+40.0%-17.4%
5-year return-34.0%-69.5%
Volatility (ann.)76.0%59.7%
Beta vs S&P 5002.491.79
Max drawdown (3Y)-77.8%-82.9%
Market cap$0.3B$0.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: NNBR -77.8% vs -82.9%Higher 5y return: NNBR -34.0% vs -69.5%
-52%0%+57%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NNBR · SRI

Year-by-year returns

YearNNBRSRI
2022-63.4%+9.2%
2023+166.7%-9.2%
2024-18.3%-68.0%
2025-60.9%-7.7%
2026+178.9%+22.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are NNBR and SRI 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 NNBR and SRI?

Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.50 over the last year and 0.41 over 5 years.

Is SRI a good diversifier for NNBR?

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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/nnbr-vs-sri.json

NNBR vs SRI: 3-year weekly correlation 0.50NNBR vs SRI0.50

Embed this badge (it refreshes with the data), with attribution:

[![NNBR vs SRI correlation](https://www.pairbook.io/api/v1/badge/nnbr-vs-sri.svg)](https://www.pairbook.io/pair/nnbr-vs-sri/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: NNBR correlations · SRI correlations