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
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 500 | 1.03 | 1.00 |
| Max drawdown (3Y) | -100.0% | -18.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
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.
Year-by-year returns
| Year | CLDI | SPY |
|---|---|---|
| 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cldi-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cldi-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CLDI correlations · SPY correlations