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CLDI vs SPY: Correlation

Measured on weekly returns over the past three years, Calidi Biotherapeutics, Inc. (CLDI) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.08, a near-zero link.

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

Correlation (3Y)
0.08
near-zero
Correlation (1Y)
0.46
last 12 months
Correlation (5Y)
0.06
long-run
Ann. covariance
214.7
%² · weekly, annualized

How correlated are CLDI and SPY?

Over the past 3 years, CLDI and SPY moved with a correlation of 0.08, which is near zero, meaning they move largely independently. Lately the two have moved closer together, with the 1-year correlation at 0.46 versus 0.08 over 3 years. Over 5 years the correlation is 0.06, and the annualized covariance of weekly returns is 214.7 %².

Among the 14 assets we track against CLDI, SPY ranks #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 115.7 points (-95.1% versus +20.6%). Risk is not evenly split, since CLDI carries 12.6 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.

CLDI vs SPY: side by side

CLDI (Calidi Biotherapeutics, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-95.1%+20.6%
5-year return-100.0%+82.4%
Volatility (ann.)182.9%14.5%
Beta vs S&P 5001.031.00
Max drawdown (3Y)-100.0%-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 -100.0%Higher 5y return: SPY +82.4% vs -100.0%

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.

-95%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CLDI · SPY

Year-by-year returns

YearCLDISPY
2022+3.7%-18.2%
2023-85.2%+26.2%
2024-92.4%+24.9%
2025-91.5%+17.7%
2026-93.1%+13.7%

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

Are CLDI and SPY good diversifiers for each other?

Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between CLDI and SPY?

Using weekly returns as of 2026-08-27: 0.08 over 3 years, with 0.46 over the last year and 0.06 over 5 years.

Is SPY a good diversifier for CLDI?

Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.08 mean?

On the −1 to +1 scale, 0.08 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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CLDI vs SPY: 3-year weekly correlation 0.08CLDI vs SPY0.08

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Hubs: CLDI correlations · SPY correlations