RAY vs RSSS: Correlation
Measured on weekly returns over the past three years, Raytech Holding Limited (RAY) and Research Solutions, Inc (RSSS) carry a correlation of -0.21, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RAY and RSSS?
Across a 3-year window, the weekly returns of RAY and RSSS correlate at -0.21, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.15) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -1127.8 %².
Within RAY's tracked universe of 32 assets, RSSS comes in at #17 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months RSSS outperformed by 55.8 percentage points (-84.0% for RAY against -28.2% for RSSS). Risk is not evenly split, since RAY carries 3.8 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.
RAY vs RSSS: side by side
| RAY (Raytech Holding Limited) | RSSS (Research Solutions, Inc) | |
|---|---|---|
| 1-year return | -84.0% | -28.2% |
| 5-year return | n/a | -15.0% |
| Volatility (ann.) | 146.1% | 38.5% |
| Beta vs S&P 500 | 0.37 | 0.22 |
| Max drawdown (3Y) | -97.7% | -48.9% |
| Market cap | – | $0.1B |
| P/E (trailing) | 3.0 | 14.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RAY | RSSS |
|---|---|---|
| 2022 | – | -22.0% |
| 2023 | – | +35.4% |
| 2024 | – | +59.6% |
| 2025 | -90.5% | -29.2% |
| 2026 | +36.0% | -24.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RAY and RSSS good diversifiers for each other?
Yes. With a correlation of -0.21, RAY and RSSS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between RAY and RSSS?
The RAY/RSSS correlation stands at -0.21 on a 3-year window (1 year: -0.15, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is RSSS a good diversifier for RAY?
Yes. With a correlation of -0.21, RAY and RSSS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 mean?
A reading of -0.21 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/ray-vs-rsss.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ray-vs-rsss/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RAY correlations · RSSS correlations
