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ONCO vs SPY: Correlation

Onconetix, Inc. (ONCO) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.18.

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

Correlation (3Y)
0.18
weak
Correlation (1Y)
-0.03
last 12 months
Correlation (5Y)
0.22
long-run
Ann. covariance
377.1
%² · weekly, annualized

How correlated are ONCO and SPY?

Across a 3-year window, the weekly returns of ONCO and SPY correlate at 0.18, weak. Lately the two have drifted apart, with the 1-year correlation at -0.03 versus 0.18 over 3 years. Stretching to 5 years gives 0.22, with an annualized covariance of 377.1 %².

SPY is close to the least connected end of ONCO's tracked universe, ranking #6 of 10. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 120.2 percentage points (-99.6% for ONCO against +20.6% for SPY). One caveat on sizing: ONCO is 10.0 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.

ONCO vs SPY: side by side

ONCO (Onconetix, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-99.6%+20.6%
5-year return-100.0%+82.4%
Volatility (ann.)145.0%14.5%
Beta vs S&P 5001.801.00
Max drawdown (3Y)-100.0%-18.8%
Market cap
P/E (trailing)0.0
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 -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%+31%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ONCO · SPY

Year-by-year returns

YearONCOSPY
2022-18.2%
2023-82.0%+26.2%
2024-92.0%+24.9%
2025-97.1%+17.7%
2026-99.2%+13.7%

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

Are ONCO and SPY good diversifiers for each other?

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

FAQ

What is the correlation between ONCO and SPY?

The ONCO/SPY correlation stands at 0.18 on a 3-year window (1 year: -0.03, 5 years: 0.22), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for ONCO?

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

What does a correlation of 0.18 mean?

On the −1 to +1 scale, 0.18 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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ONCO vs SPY: 3-year weekly correlation 0.18ONCO vs SPY0.18

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Related comparisons

Hubs: ONCO correlations · SPY correlations