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IPW vs SPY: Correlation

iPower Inc. (IPW) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.11.

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

Correlation (3Y)
0.11
weak
Correlation (1Y)
0.10
last 12 months
Correlation (5Y)
0.11
long-run
Ann. covariance
624.3
%² · weekly, annualized

How correlated are IPW and SPY?

Across a 3-year window, the weekly returns of IPW and SPY correlate at 0.11, weak. The relationship has been stable: the 1-year correlation (0.10) sits close to the 3-year figure. Stretching to 5 years gives 0.11, with an annualized covariance of 624.3 %².

Within IPW's tracked universe of 37 assets, SPY comes in at #16 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 119.2 points (-98.6% versus +20.6%). One caveat on sizing: IPW is 28.0 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.

IPW vs SPY: side by side

IPW (iPower Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-98.6%+20.6%
5-year return-99.8%+82.4%
Volatility (ann.)405.9%14.5%
Beta vs S&P 5002.991.00
Max drawdown (3Y)-100.0%-18.8%
Market cap
P/E (trailing)
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -100.0%Higher 5y return: SPY +82.4% vs -99.8%

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%+28%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. IPW · SPY

Year-by-year returns

YearIPWSPY
2022-83.2%-18.2%
2023+12.5%+26.2%
2024+85.1%+24.9%
2025-70.1%+17.7%
2026-96.8%+13.7%

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

Are IPW and SPY good diversifiers for each other?

Yes. With a correlation of 0.11, IPW and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between IPW and SPY?

Using weekly returns as of 2026-08-27: 0.11 over 3 years, with 0.10 over the last year and 0.11 over 5 years.

Is SPY a good diversifier for IPW?

Yes. With a correlation of 0.11, IPW and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of 0.11 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

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IPW vs SPY: 3-year weekly correlation 0.11IPW vs SPY0.11

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Hubs: IPW correlations · SPY correlations