PairBook
HomeGM › GM vs HAPN

GM vs HAPN: Correlation

Measured on weekly returns over the past three years, General Motors (GM) and Happen, Inc. (HAPN) carry a correlation of 0.51, a moderate link.

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

Correlation (3Y)
0.51
moderate
Correlation (1Y)
0.45
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
851.1
%² · weekly, annualized

How correlated are GM and HAPN?

Over the past 3 years, GM and HAPN moved with a correlation of 0.51, which is moderate. The relationship has been stable: the 1-year correlation (0.45) sits close to the 3-year figure. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 851.1 %².

By 3-year correlation, HAPN places #8 of the 35 assets tracked against GM. Correlation aside, the last 12 months split them widely, with GM ahead by 38.3 points (+48.0% versus +9.7%). Risk is not evenly split, since HAPN carries 1.6 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.

GM vs HAPN: side by side

GM (General Motors)HAPN (Happen, Inc.)
1-year return+48.0%+9.7%
5-year return+82.5%-35.2%
Volatility (ann.)32.2%51.5%
Beta vs S&P 5000.981.56
Max drawdown (3Y)-29.1%-52.2%
Market cap$77.9B$2.1B
P/E (trailing)38.611.0
Dividend yield0.76%0.00%
Sector / categoryConsumer DiscretionaryUS Listed
Lower P/E: HAPN 11.0 vs 38.6Higher yield: GM 0.76% vs 0.00%Smaller drawdown: GM -29.1% vs -52.2%Higher 5y return: GM +82.5% vs -35.2%
-17%0%+54%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GM · HAPN

Year-by-year returns

YearGMHAPN
2022-42.4%-63.6%
2023+7.9%-0.7%
2024+49.8%+85.2%
2025+54.2%+17.0%
2026+6.5%-2.6%

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

Are GM and HAPN good diversifiers for each other?

Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between GM and HAPN?

Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.45 over the last year and 0.50 over 5 years.

Is HAPN a good diversifier for GM?

Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.51 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

GM vs HAPN: 3-year weekly correlation 0.51GM vs HAPN0.51

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

[![GM vs HAPN correlation](https://www.pairbook.io/api/v1/badge/gm-vs-hapn.svg)](https://www.pairbook.io/pair/gm-vs-hapn/)

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

Related comparisons

Hubs: GM correlations · HAPN correlations