SNPS vs SPYG: Correlation
How closely do Synopsys (SNPS) and SPDR Portfolio S&P 500 Growth ETF (SPYG) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SNPS and SPYG?
Across a 3-year window, the weekly returns of SNPS and SPYG correlate at 0.56, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.38 versus 0.56 over 3 years. Stretching to 5 years gives 0.63, with an annualized covariance of 449.9 %².
Among the 33 assets we track against SNPS, SPYG ranks #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPYG ahead by 45.3 points (-22.9% versus +22.4%). This link changes with the market regime, having swung between 0.30 and 0.86 on a rolling one-year basis. Note the risk asymmetry: SNPS runs 2.2 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.
SNPS vs SPYG: side by side
| SNPS (Synopsys) | SPYG (SPDR Portfolio S&P 500 Growth ETF) | |
|---|---|---|
| 1-year return | -22.9% | +22.4% |
| 5-year return | +39.1% | +85.9% |
| Volatility (ann.) | 42.2% | 18.9% |
| Beta vs S&P 500 | 1.57 | 1.25 |
| Max drawdown (3Y) | -42.3% | -22.1% |
| Market cap | $89.1B | – |
| P/E (trailing) | 71.4 | – |
| Dividend yield | 0.00% | 0.49% |
| Expense ratio | – | 0.04% |
| Assets under management | – | $52.2B |
| Sector / category | Information Technology | ETF · US Style |
SPYG is a Large Growth fund from State Street Investment Management: $52.2B under management, 148 holdings, a 0.04% expense ratio, a 0.49% trailing dividend yield.
Year-by-year returns
| Year | SNPS | SPYG |
|---|---|---|
| 2022 | -13.4% | -29.4% |
| 2023 | +61.3% | +30.0% |
| 2024 | -5.7% | +36.0% |
| 2025 | -3.2% | +22.1% |
| 2026 | -1.0% | +14.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SNPS and SPYG good diversifiers for each other?
Only partially. A correlation of 0.56 means SNPS and SPYG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between SNPS and SPYG?
As of 2026-08-27, the correlation of weekly returns between SNPS and SPYG is 0.56 over 3 years, 0.38 over 1 year and 0.63 over 5 years.
Is SPYG a good diversifier for SNPS?
Only partially. A correlation of 0.56 means SNPS and SPYG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.56 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/snps-vs-spyg.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/snps-vs-spyg/)
Free with attribution; caching and terms are described in the API documentation.
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Hubs: SNPS correlations · SPYG correlations