DDC vs SPRO: Correlation
How closely do DDC Enterprise Limited Class A (DDC) and Spero Therapeutics, Inc. (SPRO) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DDC and SPRO?
Across a 3-year window, the weekly returns of DDC and SPRO correlate at 0.43, moderate. The past 12 months show a weaker link (0.23) than the 3-year average (0.43). Stretching to 5 years gives n/a, with an annualized covariance of 11330.6 %².
SPRO is one of the assets that tracks DDC most closely: it ranks #1 out of the 11 assets we track against DDC. Correlation aside, the last 12 months split them widely, with SPRO ahead by 56.8 points (-95.7% versus -38.9%).
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.
DDC vs SPRO: side by side
| DDC (DDC Enterprise Limited Class A) | SPRO (Spero Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -95.7% | -38.9% |
| 5-year return | n/a | -93.3% |
| Volatility (ann.) | 158.5% | 159.8% |
| Beta vs S&P 500 | 2.55 | 1.61 |
| Max drawdown (3Y) | -99.8% | -68.9% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | 8.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DDC | SPRO |
|---|---|---|
| 2022 | – | -89.2% |
| 2023 | – | -15.0% |
| 2024 | -96.3% | -29.9% |
| 2025 | -53.1% | +126.2% |
| 2026 | -73.6% | -48.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DDC and SPRO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between DDC and SPRO?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.23 over the last year and n/a over 5 years.
Is SPRO a good diversifier for DDC?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ddc-vs-spro.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ddc-vs-spro/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DDC correlations · SPRO correlations
