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IPI vs SPY: Correlation

Intrepid Potash, Inc (IPI) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.17.

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

Correlation (3Y)
0.17
weak
Correlation (1Y)
-0.20
last 12 months
Correlation (5Y)
0.22
long-run
Ann. covariance
116.9
%² · weekly, annualized

How correlated are IPI and SPY?

On 3 years of weekly data the IPI/SPY correlation comes out at 0.17, weak. Lately the two have drifted apart, with the 1-year correlation at -0.20 versus 0.17 over 3 years. The 5-year figure is 0.22, and annualized covariance runs at 116.9 %².

SPY is close to the least connected end of IPI's tracked universe, ranking #11 of 15. Neither side won the trailing year by much: +23.3% against +20.6%. One caveat on sizing: IPI is 3.3 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.

IPI vs SPY: side by side

IPI (Intrepid Potash, Inc)SPY (SPDR S&P 500 ETF Trust)
1-year return+23.3%+20.6%
5-year return+20.2%+82.4%
Volatility (ann.)48.0%14.5%
Beta vs S&P 5000.561.00
Max drawdown (3Y)-38.5%-18.8%
Market cap$0.5B
P/E (trailing)31.7
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 -38.5%Higher 5y return: SPY +82.4% vs +20.2%

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.

-12%0%+64%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. IPI · SPY

Year-by-year returns

YearIPISPY
2022-32.4%-18.2%
2023-17.2%+26.2%
2024-8.2%+24.9%
2025+26.5%+17.7%
2026+35.9%+13.7%

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

Are IPI and SPY good diversifiers for each other?

By historical standards, yes. A correlation of 0.17 means the two rarely move for the same reasons.

FAQ

What is the correlation between IPI and SPY?

Using weekly returns as of 2026-08-27: 0.17 over 3 years, with -0.20 over the last year and 0.22 over 5 years.

Is SPY a good diversifier for IPI?

By historical standards, yes. A correlation of 0.17 means the two rarely move for the same reasons.

What does a correlation of 0.17 mean?

On the −1 to +1 scale, 0.17 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.

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IPI vs SPY: 3-year weekly correlation 0.17IPI vs SPY0.17

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Hubs: IPI correlations · SPY correlations