MYSZ vs SPY: Correlation
Measured on weekly returns over the past three years, My Size, Inc. (MYSZ) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.04, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MYSZ and SPY?
Over the past 3 years, MYSZ and SPY moved with a correlation of 0.04, which is near zero, meaning they move largely independently. Recent behaviour matches the longer record: 0.05 over 1 year against 0.04 over 3. Over 5 years the correlation is 0.04, and the annualized covariance of weekly returns is 310.9 %².
Among the 10 assets we track against MYSZ, SPY sits near the bottom by co-movement, at rank #6. Correlation aside, the last 12 months split them widely, with MYSZ ahead by 94.3 points (+114.9% versus +20.6%). Note the risk asymmetry: MYSZ runs 39.8 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.
MYSZ vs SPY: side by side
| MYSZ (My Size, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +114.9% | +20.6% |
| 5-year return | -98.8% | +82.4% |
| Volatility (ann.) | 577.7% | 14.5% |
| Beta vs S&P 500 | 1.49 | 1.00 |
| Max drawdown (3Y) | -97.7% | -18.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | MYSZ | SPY |
|---|---|---|
| 2022 | -78.5% | -18.2% |
| 2023 | -75.2% | +26.2% |
| 2024 | -20.9% | +24.9% |
| 2025 | -82.2% | +17.7% |
| 2026 | +243.0% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MYSZ and SPY good diversifiers for each other?
Yes. With a correlation of 0.04, MYSZ and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between MYSZ and SPY?
As of 2026-08-27, the correlation of weekly returns between MYSZ and SPY is 0.04 over 3 years, 0.05 over 1 year and 0.04 over 5 years.
Is SPY a good diversifier for MYSZ?
Yes. With a correlation of 0.04, MYSZ and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.04 mean?
A reading of 0.04 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: MYSZ correlations · SPY correlations
