OCG vs TRSG: Correlation
How closely do Oriental Culture Holding LTD (OCG) and Tungray Technologies Inc - Class A (TRSG) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OCG and TRSG?
Across a 3-year window, the weekly returns of OCG and TRSG correlate at 0.30, moderate. The link has loosened recently: the 1-year correlation (-0.11) runs below the 3-year figure (0.30). Stretching to 5 years gives n/a, with an annualized covariance of 4464.1 %².
Within OCG's tracked universe of 20 assets, TRSG comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with TRSG ahead by 92.1 points (-99.9% versus -7.8%). Note the risk asymmetry: OCG runs 1.6 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.
OCG vs TRSG: side by side
| OCG (Oriental Culture Holding LTD) | TRSG (Tungray Technologies Inc - Class A) | |
|---|---|---|
| 1-year return | -99.9% | -7.8% |
| 5-year return | -100.0% | n/a |
| Volatility (ann.) | 149.7% | 92.3% |
| Beta vs S&P 500 | 0.32 | 0.67 |
| Max drawdown (3Y) | -100.0% | -86.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OCG | TRSG |
|---|---|---|
| 2022 | -90.2% | – |
| 2023 | -42.9% | – |
| 2024 | -14.0% | – |
| 2025 | -92.4% | -49.2% |
| 2026 | -97.3% | +36.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OCG and TRSG good diversifiers for each other?
Reasonably. At 0.30, OCG and TRSG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between OCG and TRSG?
The OCG/TRSG correlation stands at 0.30 on a 3-year window (1 year: -0.11, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is TRSG a good diversifier for OCG?
Reasonably. At 0.30, OCG and TRSG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.30 mean?
On the −1 to +1 scale, 0.30 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: OCG correlations · TRSG correlations