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ATEN vs OSG: Correlation

Measured on weekly returns over the past three years, A10 Networks, Inc. (ATEN) and Octave Specialty Group, Inc. (OSG) carry a correlation of 0.40, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.40
moderate
Correlation (1Y)
0.51
last 12 months
Correlation (5Y)
0.24
long-run
Ann. covariance
699.8
%² · weekly, annualized

How correlated are ATEN and OSG?

Over the past 3 years, ATEN and OSG moved with a correlation of 0.40, which is moderate. The link has tightened recently: the 1-year correlation (0.51) runs above the 3-year figure (0.40). Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 699.8 %².

By 3-year correlation, OSG places #9 of the 14 assets tracked against ATEN. Their recent paths diverged sharply: over the last 12 months ATEN outperformed by 105.6 percentage points (+56.6% for ATEN against -49.0% for OSG). Note the risk asymmetry: OSG runs 1.5 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.

ATEN vs OSG: side by side

ATEN (A10 Networks, Inc.)OSG (Octave Specialty Group, Inc.)
1-year return+56.6%-49.0%
5-year return+106.4%-68.2%
Volatility (ann.)34.0%51.8%
Beta vs S&P 5000.890.86
Max drawdown (3Y)-33.9%-78.5%
Market cap$2.0B$0.2B
P/E (trailing)44.3
Dividend yield0.93%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: ATEN 0.93% vs 0.00%Smaller drawdown: ATEN -33.9% vs -78.5%Higher 5y return: ATEN +106.4% vs -68.2%
-57%0%+112%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ATEN · OSG

Year-by-year returns

YearATENOSG
2022+1.7%+8.7%
2023-19.4%-5.5%
2024+42.1%-23.2%
2025-2.6%-38.5%
2026+53.9%-42.0%

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

Are ATEN and OSG good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between ATEN and OSG?

Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.51 over the last year and 0.24 over 5 years.

Is OSG a good diversifier for ATEN?

Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.40 mean?

A reading of 0.40 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/aten-vs-osg.json

ATEN vs OSG: 3-year weekly correlation 0.40ATEN vs OSG0.40

Drop this badge in a README or notebook; it updates with the data:

[![ATEN vs OSG correlation](https://www.pairbook.io/api/v1/badge/aten-vs-osg.svg)](https://www.pairbook.io/pair/aten-vs-osg/)

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Related comparisons

Hubs: ATEN correlations · OSG correlations