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SPY vs SQFT: Correlation

SPDR S&P 500 ETF Trust (SPY) and Presidio Property Trust, Inc. (SQFT) show a weak relationship: their 3-year correlation of weekly returns is 0.25.

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

Correlation (3Y)
0.25
weak
Correlation (1Y)
0.32
last 12 months
Correlation (5Y)
0.23
long-run
Ann. covariance
323.8
%² · weekly, annualized

How correlated are SPY and SQFT?

On 3 years of weekly data the SPY/SQFT correlation comes out at 0.25, weak. Little has changed lately, as the 1-year reading of 0.32 lands near the 3-year figure. The 5-year figure is 0.23, and annualized covariance runs at 323.8 %².

Within SPY's tracked universe of 4755 assets, SQFT comes in at #2771 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 91.4 percentage points (+20.6% for SPY against -70.8% for SQFT). Risk is not evenly split, since SQFT carries 6.2 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.

SPY vs SQFT: side by side

SPY (SPDR S&P 500 ETF Trust)SQFT (Presidio Property Trust, Inc.)
1-year return+20.6%-70.8%
5-year return+82.4%-95.2%
Volatility (ann.)14.5%90.2%
Beta vs S&P 5001.001.55
Max drawdown (3Y)-18.8%-89.7%
Market cap
P/E (trailing)
Dividend yield1.01%0.00%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -89.7%Higher 5y return: SPY +82.4% vs -95.2%

On the fund side, SPY sits in the Large Blend category at State Street Investment Management, with $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-70%0%+35%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. SPY · SQFT

Year-by-year returns

YearSPYSQFT
2022-18.2%-73.4%
2023+26.2%+19.5%
2024+24.9%-22.3%
2025+17.7%-58.4%
2026+13.7%-54.1%

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

Are SPY and SQFT good diversifiers for each other?

Reasonably. At 0.25, SPY and SQFT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between SPY and SQFT?

As of 2026-08-27, the correlation of weekly returns between SPY and SQFT is 0.25 over 3 years, 0.32 over 1 year and 0.23 over 5 years.

Is SQFT a good diversifier for SPY?

Reasonably. At 0.25, SPY and SQFT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.25 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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SPY vs SQFT: 3-year weekly correlation 0.25SPY vs SQFT0.25

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Hubs: SPY correlations · SQFT correlations