PairBook
HomeDDI › DDI vs SBFM

DDI vs SBFM: Correlation

DoubleDown Interactive Co., Ltd. - American Depository (DDI) and Sunshine Biopharma Inc. (SBFM) show a negative relationship: their 3-year correlation of weekly returns is -0.22.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.02
last 12 months
Correlation (5Y)
-0.12
long-run
Ann. covariance
-1363.8
%² · weekly, annualized

How correlated are DDI and SBFM?

Across a 3-year window, the weekly returns of DDI and SBFM correlate at -0.22, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.02) runs above the 3-year figure (-0.22). Stretching to 5 years gives -0.12, with an annualized covariance of -1363.8 %².

SBFM is close to the least connected end of DDI's tracked universe, ranking #9 of 10. Correlation aside, the last 12 months split them widely, with DDI ahead by 125.9 points (+34.5% versus -91.4%). Note the risk asymmetry: SBFM runs 2.4 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.

DDI vs SBFM: side by side

DDI (DoubleDown Interactive Co., Ltd. - American Depository)SBFM (Sunshine Biopharma Inc.)
1-year return+34.5%-91.4%
5-year return-28.2%-100.0%
Volatility (ann.)51.1%123.8%
Beta vs S&P 5000.441.40
Max drawdown (3Y)-52.1%-100.0%
Market cap$0.6B
P/E (trailing)5.1
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: DDI -52.1% vs -100.0%Higher 5y return: DDI -28.2% vs -100.0%
-92%0%+54%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. DDI · SBFM

Year-by-year returns

YearDDISBFM
2022-45.5%
2023-13.0%-57.5%
2024+42.0%-99.4%
2025-17.3%-59.0%
2026+47.7%-89.7%

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

Are DDI and SBFM good diversifiers for each other?

Yes. With a correlation of -0.22, DDI and SBFM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between DDI and SBFM?

The DDI/SBFM correlation stands at -0.22 on a 3-year window (1 year: -0.02, 5 years: -0.12), computed from weekly returns as of 2026-08-27.

Is SBFM a good diversifier for DDI?

Yes. With a correlation of -0.22, DDI and SBFM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.22 mean?

On the −1 to +1 scale, -0.22 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

DDI vs SBFM: 3-year weekly correlation -0.22DDI vs SBFM-0.22

Markdown for the live badge, attribution link included:

[![DDI vs SBFM correlation](https://www.pairbook.io/api/v1/badge/ddi-vs-sbfm.svg)](https://www.pairbook.io/pair/ddi-vs-sbfm/)

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

Related comparisons

Hubs: DDI correlations · SBFM correlations