DSY vs OCC: Correlation
Measured on weekly returns over the past three years, Big Tree Cloud Holdings Limited - Class A (DSY) and Optical Cable Corporation (OCC) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DSY and OCC?
Over the past 3 years, DSY and OCC moved with a correlation of 0.38, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.66 versus 0.38 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 6842.6 %².
Few assets follow DSY as closely as OCC, which ranks #3 of 10 tracked partners. The last year tells two different stories: OCC led by 199.4 percentage points, -81.8% for DSY against +117.6% for OCC. One caveat on sizing: DSY is 1.6 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.
DSY vs OCC: side by side
| DSY (Big Tree Cloud Holdings Limited - Class A) | OCC (Optical Cable Corporation) | |
|---|---|---|
| 1-year return | -81.8% | +117.6% |
| 5-year return | n/a | +297.7% |
| Volatility (ann.) | 168.9% | 105.3% |
| Beta vs S&P 500 | 1.72 | 1.07 |
| Max drawdown (3Y) | -99.2% | -61.1% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | 106.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DSY | OCC |
|---|---|---|
| 2022 | – | -17.7% |
| 2023 | – | -38.9% |
| 2024 | -70.4% | +33.7% |
| 2025 | -91.3% | +23.3% |
| 2026 | -28.0% | +211.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DSY and OCC good diversifiers for each other?
Reasonably. At 0.38, DSY and OCC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between DSY and OCC?
As of 2026-08-27, the correlation of weekly returns between DSY and OCC is 0.38 over 3 years, 0.66 over 1 year and n/a over 5 years.
Is OCC a good diversifier for DSY?
Reasonably. At 0.38, DSY and OCC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 mean?
A reading of 0.38 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/dsy-vs-occ.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dsy-vs-occ/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DSY correlations · OCC correlations
