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FRD vs SPY: Correlation

Friedman Industries Inc. (FRD) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.32.

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

Correlation (3Y)
0.32
moderate
Correlation (1Y)
0.32
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
230.8
%² · weekly, annualized

How correlated are FRD and SPY?

On 3 years of weekly data the FRD/SPY correlation comes out at 0.32, moderate. Little has changed lately, as the 1-year reading of 0.32 lands near the 3-year figure. The 5-year figure is 0.37, and annualized covariance runs at 230.8 %².

SPY is close to the least connected end of FRD's tracked universe, ranking #9 of 12. Correlation aside, the last 12 months split them widely, with FRD ahead by 117.2 points (+137.8% versus +20.6%). One caveat on sizing: FRD is 3.5 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.

FRD vs SPY: side by side

FRD (Friedman Industries Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+137.8%+20.6%
5-year return+282.9%+82.4%
Volatility (ann.)50.1%14.5%
Beta vs S&P 5001.101.00
Max drawdown (3Y)-34.6%-18.8%
Market cap$0.3B
P/E (trailing)11.7
Dividend yield0.38%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.38%Smaller drawdown: SPY -18.8% vs -34.6%Higher 5y return: FRD +282.9% vs +82.4%

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.

-21%0%+113%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FRD · SPY

Year-by-year returns

YearFRDSPY
2022+5.3%-18.2%
2023+59.0%+26.2%
2024-0.3%+24.9%
2025+35.3%+17.7%
2026+120.0%+13.7%

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

Are FRD and SPY good diversifiers for each other?

Reasonably. At 0.32, FRD and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between FRD and SPY?

The FRD/SPY correlation stands at 0.32 on a 3-year window (1 year: 0.32, 5 years: 0.37), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for FRD?

Reasonably. At 0.32, FRD and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.32 mean?

On the −1 to +1 scale, 0.32 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.

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FRD vs SPY: 3-year weekly correlation 0.32FRD vs SPY0.32

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Hubs: FRD correlations · SPY correlations