PairBook
HomeBRLT › BRLT vs FSI

BRLT vs FSI: Correlation

Brilliant Earth Group, Inc. (BRLT) and Flexible Solutions International Inc. (FSI) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.

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

Correlation (3Y)
0.35
moderate
Correlation (1Y)
0.17
last 12 months
Correlation (5Y)
0.27
long-run
Ann. covariance
1722.4
%² · weekly, annualized

How correlated are BRLT and FSI?

On 3 years of weekly data the BRLT/FSI correlation comes out at 0.35, moderate. The past 12 months show a weaker link (0.17) than the 3-year average (0.35). The 5-year figure is 0.27, and annualized covariance runs at 1722.4 %².

Within BRLT's tracked universe of 12 assets, FSI comes in at #6 by 3-year correlation. The last year tells two different stories: FSI led by 15.3 percentage points, -53.7% for BRLT against -38.4% for FSI.

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.

BRLT vs FSI: side by side

BRLT (Brilliant Earth Group, Inc.)FSI (Flexible Solutions International Inc.)
1-year return-53.7%-38.4%
5-year return-91.4%+71.9%
Volatility (ann.)66.7%73.1%
Beta vs S&P 5001.291.39
Max drawdown (3Y)-68.9%-56.4%
Market cap$0.1B$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: FSI -56.4% vs -68.9%Higher 5y return: FSI +71.9% vs -91.4%
-63%0%+5%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BRLT · FSI

Year-by-year returns

YearBRLTFSI
2022-76.1%-20.3%
2023-13.7%-37.3%
2024-43.5%+89.0%
2025-6.3%+90.6%
2026-25.1%-11.8%

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

Are BRLT and FSI good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BRLT and FSI?

As of 2026-08-27, the correlation of weekly returns between BRLT and FSI is 0.35 over 3 years, 0.17 over 1 year and 0.27 over 5 years.

Is FSI a good diversifier for BRLT?

Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.35 mean?

A reading of 0.35 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/brlt-vs-fsi.json

BRLT vs FSI: 3-year weekly correlation 0.35BRLT vs FSI0.35

Markdown for the live badge, attribution link included:

[![BRLT vs FSI correlation](https://www.pairbook.io/api/v1/badge/brlt-vs-fsi.svg)](https://www.pairbook.io/pair/brlt-vs-fsi/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: BRLT correlations · FSI correlations