PairBook
HomeFCUV › FCUV vs SPY

FCUV vs SPY: Correlation

Focus Universal Inc. (FCUV) and SPDR S&P 500 ETF Trust (SPY) show a near-zero relationship: their 3-year correlation of weekly returns is 0.03.

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

Correlation (3Y)
0.03
near-zero
Correlation (1Y)
-0.04
last 12 months
Correlation (5Y)
0.08
long-run
Ann. covariance
142.5
%² · weekly, annualized

How correlated are FCUV and SPY?

Over the past 3 years, FCUV and SPY moved with a correlation of 0.03, which is near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of -0.04 lands near the 3-year figure. Over 5 years the correlation is 0.08, and the annualized covariance of weekly returns is 142.5 %².

Within FCUV's tracked universe of 33 assets, SPY comes in at #13 by 3-year correlation. The last year tells two different stories: SPY led by 106.4 percentage points, -85.8% for FCUV against +20.6% for SPY. Risk is not evenly split, since FCUV carries 19.8 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.

FCUV vs SPY: side by side

FCUV (Focus Universal Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-85.8%+20.6%
5-year return-99.4%+82.4%
Volatility (ann.)287.5%14.5%
Beta vs S&P 5000.681.00
Max drawdown (3Y)-99.8%-18.8%
Market cap
P/E (trailing)
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -99.8%Higher 5y return: SPY +82.4% vs -99.4%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-97%0%+126%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FCUV · SPY

Year-by-year returns

YearFCUVSPY
2022-27.7%-18.2%
2023-65.8%+26.2%
2024-76.0%+24.9%
2025-76.9%+17.7%
2026-67.8%+13.7%

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

Are FCUV and SPY good diversifiers for each other?

Yes. With a correlation of 0.03, FCUV and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between FCUV and SPY?

As of 2026-08-27, the correlation of weekly returns between FCUV and SPY is 0.03 over 3 years, -0.04 over 1 year and 0.08 over 5 years.

Is SPY a good diversifier for FCUV?

Yes. With a correlation of 0.03, FCUV and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of 0.03 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/fcuv-vs-spy.json

FCUV vs SPY: 3-year weekly correlation 0.03FCUV vs SPY0.03

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

[![FCUV vs SPY correlation](https://www.pairbook.io/api/v1/badge/fcuv-vs-spy.svg)](https://www.pairbook.io/pair/fcuv-vs-spy/)

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

Related comparisons

Hubs: FCUV correlations · SPY correlations