NCTY vs VFS: Correlation
The9 Limited - American Depository Shares (NCTY) and VinFast Auto Ltd. (VFS) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NCTY and VFS?
Over the past 3 years, NCTY and VFS moved with a correlation of 0.34, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.18 versus 0.34 over 3 years. Over 5 years the correlation is 0.07, and the annualized covariance of weekly returns is 2444.3 %².
In NCTY's tracked universe of 10 assets, VFS sits right near the top at #3. Correlation aside, the last 12 months split them widely, with VFS ahead by 36.2 points (-45.7% versus -9.5%).
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.
NCTY vs VFS: side by side
| NCTY (The9 Limited - American Depository Shares) | VFS (VinFast Auto Ltd.) | |
|---|---|---|
| 1-year return | -45.7% | -9.5% |
| 5-year return | -97.0% | -67.8% |
| Volatility (ann.) | 95.1% | 75.2% |
| Beta vs S&P 500 | 0.96 | 1.62 |
| Max drawdown (3Y) | -83.1% | -97.1% |
| Market cap | $0.1B | $7.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NCTY | VFS |
|---|---|---|
| 2022 | -91.5% | +3.2% |
| 2023 | +31.4% | -16.3% |
| 2024 | +94.1% | -51.9% |
| 2025 | -56.2% | -17.1% |
| 2026 | -26.2% | -5.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NCTY and VFS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between NCTY and VFS?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.18 over the last year and 0.07 over 5 years.
Is VFS a good diversifier for NCTY?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.34 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: NCTY correlations · VFS correlations
