PairBook
HomeGIGM › GIGM vs SIBN

GIGM vs SIBN: Correlation

How closely do GigaMedia Limited (GIGM) and SI-BONE, Inc. (SIBN) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.

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

Correlation (3Y)
-0.19
negative
Correlation (1Y)
-0.12
last 12 months
Correlation (5Y)
0.02
long-run
Ann. covariance
-252.5
%² · weekly, annualized

How correlated are GIGM and SIBN?

On 3 years of weekly data the GIGM/SIBN correlation comes out at -0.19, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.12 over 1 year against -0.19 over 3. The 5-year figure is 0.02, and annualized covariance runs at -252.5 %².

Out of 10 assets tracked against GIGM, SIBN lands near the bottom at #8. Correlation aside, the last 12 months split them widely, with SIBN ahead by 23.9 points (-8.2% versus +15.7%). One caveat on sizing: SIBN is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

GIGM vs SIBN: side by side

GIGM (GigaMedia Limited)SIBN (SI-BONE, Inc.)
1-year return-8.2%+15.7%
5-year return-44.2%-19.1%
Volatility (ann.)25.6%52.2%
Beta vs S&P 5000.270.73
Max drawdown (3Y)-29.6%-49.3%
Market cap$0.9B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: GIGM -29.6% vs -49.3%Higher 5y return: SIBN -19.1% vs -44.2%
-25%0%+26%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). GIGM · SIBN

Year-by-year returns

YearGIGMSIBN
2022-46.2%-38.8%
2023+14.9%+54.3%
2024+11.5%-33.2%
2025-1.9%+40.7%
2026-4.6%-2.6%

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

Are GIGM and SIBN good diversifiers for each other?

By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.

FAQ

What is the correlation between GIGM and SIBN?

As of 2026-08-27, the correlation of weekly returns between GIGM and SIBN is -0.19 over 3 years, -0.12 over 1 year and 0.02 over 5 years.

Is SIBN a good diversifier for GIGM?

By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.

What does a correlation of -0.19 mean?

A reading of -0.19 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/gigm-vs-sibn.json

GIGM vs SIBN: 3-year weekly correlation -0.19GIGM vs SIBN-0.19

Markdown for the live badge, attribution link included:

[![GIGM vs SIBN correlation](https://www.pairbook.io/api/v1/badge/gigm-vs-sibn.svg)](https://www.pairbook.io/pair/gigm-vs-sibn/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: GIGM correlations · SIBN correlations