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ATNM vs SPY: Correlation

How closely do Actinium Pharmaceuticals, Inc. (Delaware) (ATNM) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.31
last 12 months
Correlation (5Y)
0.24
long-run
Ann. covariance
360.8
%² · weekly, annualized

How correlated are ATNM and SPY?

Over the past 3 years, ATNM and SPY moved with a correlation of 0.30, which is moderate. The relationship has been stable: the 1-year correlation (0.31) sits close to the 3-year figure. Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 360.8 %².

Among the 12 assets we track against ATNM, SPY sits near the bottom by co-movement, at rank #8. The last year tells two different stories: SPY led by 63.8 percentage points, -43.2% for ATNM against +20.6% for SPY. Note the risk asymmetry: ATNM runs 5.8 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.

ATNM vs SPY: side by side

ATNM (Actinium Pharmaceuticals, Inc. (Delaware))SPY (SPDR S&P 500 ETF Trust)
1-year return-43.2%+20.6%
5-year return-83.3%+82.4%
Volatility (ann.)83.6%14.5%
Beta vs S&P 5001.731.00
Max drawdown (3Y)-92.4%-18.8%
Market cap
P/E (trailing)2.9
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 -92.4%Higher 5y return: SPY +82.4% vs -83.3%

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.

-50%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ATNM · SPY

Year-by-year returns

YearATNMSPY
2022+77.2%-18.2%
2023-52.3%+26.2%
2024-75.2%+24.9%
2025+7.9%+17.7%
2026-26.5%+13.7%

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

Are ATNM and SPY good diversifiers for each other?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between ATNM and SPY?

As of 2026-08-27, the correlation of weekly returns between ATNM and SPY is 0.30 over 3 years, 0.31 over 1 year and 0.24 over 5 years.

Is SPY a good diversifier for ATNM?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.30 mean?

On the −1 to +1 scale, 0.30 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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ATNM vs SPY: 3-year weekly correlation 0.30ATNM vs SPY0.30

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Hubs: ATNM correlations · SPY correlations