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GMEX vs SPY: Correlation

How closely do GMEX ROBOTICS CORPORATION - Class A (GMEX) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.18, which is weak.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.18
weak
Correlation (1Y)
0.36
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
508.1
%² · weekly, annualized

How correlated are GMEX and SPY?

Across a 3-year window, the weekly returns of GMEX and SPY correlate at 0.18, weak. Lately the two have moved closer together, with the 1-year correlation at 0.36 versus 0.18 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 508.1 %².

Within GMEX's tracked universe of 17 assets, SPY comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 120.6 percentage points (-100.0% for GMEX against +20.6% for SPY). Risk is not evenly split, since GMEX carries 13.5 times the volatility of the other side.

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.

GMEX vs SPY: side by side

GMEX (GMEX ROBOTICS CORPORATION - Class A)SPY (SPDR S&P 500 ETF Trust)
1-year return-100.0%+20.6%
5-year returnn/a+82.4%
Volatility (ann.)195.3%14.5%
Beta vs S&P 5002.431.00
Max drawdown (3Y)-100.0%-18.8%
Market cap
P/E (trailing)
Dividend yield4710.28%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: GMEX 4710.28% vs 1.01%Smaller drawdown: SPY -18.8% vs -100.0%

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.

-100%0%+35%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GMEX · SPY

Year-by-year returns

YearGMEXSPY
2022-18.2%
2023+26.2%
2024+471.2%+24.9%
2025-99.6%+17.7%
2026-99.6%+13.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are GMEX and SPY good diversifiers for each other?

Yes. With a correlation of 0.18, GMEX and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between GMEX and SPY?

As of 2026-08-27, the correlation of weekly returns between GMEX and SPY is 0.18 over 3 years, 0.36 over 1 year and n/a over 5 years.

Is SPY a good diversifier for GMEX?

Yes. With a correlation of 0.18, GMEX and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of 0.18 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.

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GMEX vs SPY: 3-year weekly correlation 0.18GMEX vs SPY0.18

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Hubs: GMEX correlations · SPY correlations