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SDA vs SPKL: Correlation

SunCar Technology Group Inc. (SDA) and Spark I Acquisition Corp. - Class A (SPKL) show a negative 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
negative
Correlation (1Y)
-0.44
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
-323.6
%² · weekly, annualized

How correlated are SDA and SPKL?

Across a 3-year window, the weekly returns of SDA and SPKL correlate at -0.33, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.44) runs below the 3-year figure (-0.33). Stretching to 5 years gives n/a, with an annualized covariance of -323.6 %².

Among the 14 assets we track against SDA, SPKL sits near the bottom by co-movement, at rank #13. Correlation aside, the last 12 months split them widely, with SPKL ahead by 76.2 points (-70.7% versus +5.5%). One caveat on sizing: SDA is 7.1 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.

SDA vs SPKL: side by side

SDA (SunCar Technology Group Inc.)SPKL (Spark I Acquisition Corp. - Class A)
1-year return-70.7%+5.5%
5-year return-92.6%n/a
Volatility (ann.)84.1%11.9%
Beta vs S&P 5000.350.07
Max drawdown (3Y)-95.7%-15.7%
Market cap$0.1B$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: SPKL -15.7% vs -95.7%
-80%0%+20%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SDA · SPKL

Year-by-year returns

YearSDASPKL
2022+4.3%
2023-20.3%
2024+17.0%+4.9%
2025-79.1%+7.4%
2026-63.9%+1.0%

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

Are SDA and SPKL good diversifiers for each other?

Yes: at -0.33, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between SDA and SPKL?

As of 2026-08-27, the correlation of weekly returns between SDA and SPKL is -0.33 over 3 years, -0.44 over 1 year and n/a over 5 years.

Is SPKL a good diversifier for SDA?

Yes: at -0.33, the two have gone their own ways historically, which is what genuine diversification looks like.

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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SDA vs SPKL: 3-year weekly correlation -0.33SDA vs SPKL-0.33

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Hubs: SDA correlations · SPKL correlations