ATXG vs SPRO: Correlation
Measured on weekly returns over the past three years, Addentax Group Corp. (ATXG) and Spero Therapeutics, Inc. (SPRO) carry a correlation of 0.33, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATXG and SPRO?
Across a 3-year window, the weekly returns of ATXG and SPRO correlate at 0.33, moderate. The past 12 months show a weaker link (-0.02) than the 3-year average (0.33). Stretching to 5 years gives 0.16, with an annualized covariance of 4978.5 %².
Among the 10 assets we track against ATXG, SPRO ranks #4 by 3-year correlation. The last year tells two different stories: SPRO led by 18.6 percentage points, -57.5% for ATXG against -38.9% for SPRO. Note the risk asymmetry: SPRO runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ATXG vs SPRO: side by side
| ATXG (Addentax Group Corp.) | SPRO (Spero Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -57.5% | -38.9% |
| 5-year return | -99.7% | -93.3% |
| Volatility (ann.) | 94.8% | 159.8% |
| Beta vs S&P 500 | 0.60 | 1.61 |
| Max drawdown (3Y) | -90.5% | -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 | ATXG | SPRO |
|---|---|---|
| 2022 | -85.7% | -89.2% |
| 2023 | -86.6% | -15.0% |
| 2024 | -57.4% | -29.9% |
| 2025 | -36.1% | +126.2% |
| 2026 | -37.1% | -48.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATXG and SPRO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ATXG and SPRO?
The ATXG/SPRO correlation stands at 0.33 on a 3-year window (1 year: -0.02, 5 years: 0.16), computed from weekly returns as of 2026-08-27.
Is SPRO a good diversifier for ATXG?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.33 mean?
A reading of 0.33 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/atxg-vs-spro.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/atxg-vs-spro/)
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Related comparisons
Hubs: ATXG correlations · SPRO correlations
