CHSN vs SHY: Correlation
How closely do Chanson International Holding - Class A (CHSN) and iShares 1-3 Year Treasury Bond ETF (SHY) trade together? Their weekly returns over three years give a correlation of -0.29, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CHSN and SHY?
Across a 3-year window, the weekly returns of CHSN and SHY correlate at -0.29, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.02) runs above the 3-year figure (-0.29). Stretching to 5 years gives n/a, with an annualized covariance of -146.3 %².
Out of 18 assets tracked against CHSN, SHY lands near the bottom at #16. Their recent paths diverged sharply: over the last 12 months SHY outperformed by 101.9 percentage points (-99.4% for CHSN against +2.5% for SHY). One caveat on sizing: CHSN is 200.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
CHSN vs SHY: side by side
| CHSN (Chanson International Holding - Class A) | SHY (iShares 1-3 Year Treasury Bond ETF) | |
|---|---|---|
| 1-year return | -99.4% | +2.5% |
| 5-year return | n/a | +9.6% |
| Volatility (ann.) | 320.2% | 1.6% |
| Beta vs S&P 500 | 0.54 | 0.00 |
| Max drawdown (3Y) | -100.0% | -1.0% |
| Market cap | – | – |
| P/E (trailing) | 0.4 | – |
| Dividend yield | 0.00% | 3.65% |
| Expense ratio | – | 0.15% |
| Assets under management | – | $25.1B |
| Sector / category | US Listed | ETF · Bonds |
SHY, iShares's Short Government fund, carries $25.1B under management, a 0.15% expense ratio, a 3.65% trailing dividend yield.
Year-by-year returns
| Year | CHSN | SHY |
|---|---|---|
| 2022 | – | -3.9% |
| 2023 | – | +4.2% |
| 2024 | +318.9% | +3.9% |
| 2025 | -99.5% | +5.0% |
| 2026 | -99.5% | +1.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CHSN and SHY good diversifiers for each other?
Yes. With a correlation of -0.29, CHSN and SHY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CHSN and SHY?
The CHSN/SHY correlation stands at -0.29 on a 3-year window (1 year: 0.02, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SHY a good diversifier for CHSN?
Yes. With a correlation of -0.29, CHSN and SHY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.29 mean?
On the −1 to +1 scale, -0.29 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/chsn-vs-shy.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/chsn-vs-shy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CHSN correlations · SHY correlations