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CPSH vs RDN: Correlation

Measured on weekly returns over the past three years, CPS Technologies Corp. (CPSH) and Radian Group Inc. (RDN) carry a correlation of -0.23, a negative link.

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

Correlation (3Y)
-0.23
negative
Correlation (1Y)
-0.44
last 12 months
Correlation (5Y)
-0.08
long-run
Ann. covariance
-428.1
%² · weekly, annualized

How correlated are CPSH and RDN?

On 3 years of weekly data the CPSH/RDN correlation comes out at -0.23, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.44) than the 3-year average (-0.23). The 5-year figure is -0.08, and annualized covariance runs at -428.1 %².

Out of 18 assets tracked against CPSH, RDN lands near the bottom at #15. Over the last 12 months CPSH came out ahead by 7.7 percentage points (+15.3% against +7.6%). Risk is not evenly split, since CPSH carries 3.3 times the volatility of the other side.

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.

CPSH vs RDN: side by side

CPSH (CPS Technologies Corp.)RDN (Radian Group Inc.)
1-year return+15.3%+7.6%
5-year return-32.8%+82.4%
Volatility (ann.)78.3%23.5%
Beta vs S&P 5000.500.64
Max drawdown (3Y)-69.7%-16.5%
Market cap$0.1B$4.8B
P/E (trailing)392.09.1
Dividend yield0.00%2.77%
Sector / categoryUS ListedUS Listed
Lower P/E: RDN 9.1 vs 392.0Higher yield: RDN 2.77% vs 0.00%Smaller drawdown: RDN -16.5% vs -69.7%Higher 5y return: RDN +82.4% vs -32.8%
-7%0%+168%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CPSH · RDN

Year-by-year returns

YearCPSHRDN
2022-29.0%-6.3%
2023-12.6%+55.3%
2024-31.5%+14.5%
2025+91.9%+16.9%
2026+26.9%+3.8%

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

Are CPSH and RDN good diversifiers for each other?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between CPSH and RDN?

As of 2026-08-27, the correlation of weekly returns between CPSH and RDN is -0.23 over 3 years, -0.44 over 1 year and -0.08 over 5 years.

Is RDN a good diversifier for CPSH?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.23 mean?

A reading of -0.23 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/cpsh-vs-rdn.json

CPSH vs RDN: 3-year weekly correlation -0.23CPSH vs RDN-0.23

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Hubs: CPSH correlations · RDN correlations