RAYA vs SNTG: Correlation
Measured on weekly returns over the past three years, Erayak Power Solution Group Inc. - Class A (RAYA) and Sentage Holdings Inc. - Class A (SNTG) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RAYA and SNTG?
Over the past 3 years, RAYA and SNTG moved with a correlation of 0.40, which is moderate. Recent behaviour matches the longer record: 0.34 over 1 year against 0.40 over 3. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 8209.6 %².
SNTG is one of the assets that tracks RAYA most closely: it ranks #3 out of the 20 assets we track against RAYA. Correlation aside, the last 12 months split them widely, with SNTG ahead by 105.7 points (-97.8% versus +7.9%).
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.
RAYA vs SNTG: side by side
| RAYA (Erayak Power Solution Group Inc. - Class A) | SNTG (Sentage Holdings Inc. - Class A) | |
|---|---|---|
| 1-year return | -97.8% | +7.9% |
| 5-year return | n/a | -93.0% |
| Volatility (ann.) | 162.4% | 126.7% |
| Beta vs S&P 500 | 0.17 | 1.13 |
| Max drawdown (3Y) | -100.0% | -76.2% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RAYA | SNTG |
|---|---|---|
| 2022 | – | -68.8% |
| 2023 | -44.7% | +160.4% |
| 2024 | +23.6% | -63.8% |
| 2025 | -98.7% | +4.4% |
| 2026 | -94.0% | -5.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RAYA and SNTG good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between RAYA and SNTG?
The RAYA/SNTG correlation stands at 0.40 on a 3-year window (1 year: 0.34, 5 years: 0.35), computed from weekly returns as of 2026-08-27.
Is SNTG a good diversifier for RAYA?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: RAYA correlations · SNTG correlations
