CYCN vs SYY: Correlation
How closely do Cyclerion Therapeutics, Inc. (CYCN) and Sysco (SYY) trade together? Their weekly returns over three years give a correlation of -0.31, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CYCN and SYY?
Across a 3-year window, the weekly returns of CYCN and SYY correlate at -0.31, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.52 versus -0.31 over 3 years. Stretching to 5 years gives -0.15, with an annualized covariance of -1334.8 %².
SYY is close to the least connected end of CYCN's tracked universe, ranking #19 of 21. Correlation aside, the last 12 months split them widely, with CYCN ahead by 49.7 points (+55.3% versus +5.6%). Note the risk asymmetry: CYCN runs 10.3 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.
CYCN vs SYY: side by side
| CYCN (Cyclerion Therapeutics, Inc.) | SYY (Sysco) | |
|---|---|---|
| 1-year return | +55.3% | +5.6% |
| 5-year return | -93.7% | +19.2% |
| Volatility (ann.) | 208.6% | 20.3% |
| Beta vs S&P 500 | 1.03 | 0.14 |
| Max drawdown (3Y) | -83.0% | -24.0% |
| Market cap | – | $39.5B |
| P/E (trailing) | – | 22.5 |
| Dividend yield | 0.00% | 2.61% |
| Sector / category | US Listed | Consumer Staples |
Year-by-year returns
| Year | CYCN | SYY |
|---|---|---|
| 2022 | -61.9% | -0.3% |
| 2023 | -74.5% | -1.7% |
| 2024 | -3.9% | +7.4% |
| 2025 | -60.6% | -1.0% |
| 2026 | +214.2% | +14.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CYCN and SYY good diversifiers for each other?
By historical standards, yes. A correlation of -0.31 means the two rarely move for the same reasons.
FAQ
What is the correlation between CYCN and SYY?
Using weekly returns as of 2026-08-27: -0.31 over 3 years, with -0.52 over the last year and -0.15 over 5 years.
Is SYY a good diversifier for CYCN?
By historical standards, yes. A correlation of -0.31 means the two rarely move for the same reasons.
What does a correlation of -0.31 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cycn-vs-syy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cycn-vs-syy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CYCN correlations · SYY correlations
