CYN vs SY: Correlation
Cyngn Inc. (CYN) and So-Young International Inc. - American Depository Shares (SY) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CYN and SY?
Over the past 3 years, CYN and SY moved with a correlation of 0.46, which is moderate. The past 12 months show a weaker link (0.09) than the 3-year average (0.46). Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 10635.3 %².
Among the 19 assets we track against CYN, SY ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SY outperformed by 40.7 percentage points (-81.7% for CYN against -41.0% for SY). Note the risk asymmetry: CYN runs 2.4 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.
CYN vs SY: side by side
| CYN (Cyngn Inc.) | SY (So-Young International Inc. - American Depository Shares) | |
|---|---|---|
| 1-year return | -81.7% | -41.0% |
| 5-year return | -100.0% | -54.5% |
| Volatility (ann.) | 234.2% | 99.6% |
| Beta vs S&P 500 | 4.31 | 1.08 |
| Max drawdown (3Y) | -100.0% | -77.5% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CYN | SY |
|---|---|---|
| 2022 | -85.0% | -59.6% |
| 2023 | -78.5% | +0.0% |
| 2024 | -94.1% | -32.1% |
| 2025 | -98.1% | +219.0% |
| 2026 | -53.8% | -9.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CYN and SY good diversifiers for each other?
Reasonably. At 0.46, CYN and SY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CYN and SY?
The CYN/SY correlation stands at 0.46 on a 3-year window (1 year: 0.09, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is SY a good diversifier for CYN?
Reasonably. At 0.46, CYN and SY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
A reading of 0.46 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/cyn-vs-sy.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cyn-vs-sy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CYN correlations · SY correlations
