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OLP vs SPY: Correlation

One Liberty Properties, Inc. (OLP) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.33.

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

Correlation (3Y)
0.33
moderate
Correlation (1Y)
0.18
last 12 months
Correlation (5Y)
0.45
long-run
Ann. covariance
101.4
%² · weekly, annualized

How correlated are OLP and SPY?

Over the past 3 years, OLP and SPY moved with a correlation of 0.33, which is moderate. The link has loosened recently: the 1-year correlation (0.18) runs below the 3-year figure (0.33). Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 101.4 %².

Among the 28 assets we track against OLP, SPY ranks #22 by 3-year correlation. Over the last 12 months SPY came out ahead by 7.6 percentage points (+13.0% against +20.6%).

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.

OLP vs SPY: side by side

OLP (One Liberty Properties, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+13.0%+20.6%
5-year return+11.9%+82.4%
Volatility (ann.)21.5%14.5%
Beta vs S&P 5000.491.00
Max drawdown (3Y)-28.8%-18.8%
Market cap$0.5B
P/E (trailing)15.3
Dividend yield7.44%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: OLP 7.44% vs 1.01%Smaller drawdown: SPY -18.8% vs -28.8%Higher 5y return: SPY +82.4% vs +11.9%

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.

-13%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. OLP · SPY

Year-by-year returns

YearOLPSPY
2022-32.3%-18.2%
2023+7.6%+26.2%
2024+33.5%+24.9%
2025-19.6%+17.7%
2026+23.7%+13.7%

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

Are OLP and SPY good diversifiers for each other?

A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between OLP and SPY?

The OLP/SPY correlation stands at 0.33 on a 3-year window (1 year: 0.18, 5 years: 0.45), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for OLP?

A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.33 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.

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OLP vs SPY: 3-year weekly correlation 0.33OLP vs SPY0.33

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Hubs: OLP correlations · SPY correlations