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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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
-0.11
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
4464.1
%² · weekly, annualized

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 5000.320.67
Max drawdown (3Y)-100.0%-86.3%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: TRSG -86.3% vs -100.0%
-100%0%+4%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). OCG · TRSG

Year-by-year returns

YearOCGTRSG
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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OCG vs TRSG: 3-year weekly correlation 0.30OCG vs TRSG0.30

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Hubs: OCG correlations · TRSG correlations