PairBook
HomeRGTI › RGTI vs SPY

RGTI vs SPY: Correlation

Rigetti Computing, Inc. (RGTI) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.29.

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

Correlation (3Y)
0.29
weak
Correlation (1Y)
0.45
last 12 months
Correlation (5Y)
0.24
long-run
Ann. covariance
550.8
%² · weekly, annualized

How correlated are RGTI and SPY?

Over the past 3 years, RGTI and SPY moved with a correlation of 0.29, which is weak. The link has tightened recently: the 1-year correlation (0.45) runs above the 3-year figure (0.29). Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 550.8 %².

SPY is close to the least connected end of RGTI's tracked universe, ranking #16 of 20. On 12-month performance SPY holds a 13.8-point edge, +6.8% against +20.6%. One caveat on sizing: RGTI is 8.9 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.

RGTI vs SPY: side by side

RGTI (Rigetti Computing, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+6.8%+20.6%
5-year return+69.5%+82.4%
Volatility (ann.)129.7%14.5%
Beta vs S&P 5002.641.00
Max drawdown (3Y)-77.1%-18.8%
Market cap$5.5B
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 -77.1%Higher 5y return: SPY +82.4% vs +69.5%

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%+207%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. RGTI · SPY

Year-by-year returns

YearRGTISPY
2022-92.9%-18.2%
2023+35.1%+26.2%
2024+1449.2%+24.9%
2025+45.2%+17.7%
2026-25.8%+13.7%

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

Are RGTI and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.29 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between RGTI and SPY?

Using weekly returns as of 2026-08-27: 0.29 over 3 years, with 0.45 over the last year and 0.24 over 5 years.

Is SPY a good diversifier for RGTI?

Yes, to a useful degree: a correlation of 0.29 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.29 mean?

A reading of 0.29 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/rgti-vs-spy.json

RGTI vs SPY: 3-year weekly correlation 0.29RGTI vs SPY0.29

Embed this badge (it refreshes with the data), with attribution:

[![RGTI vs SPY correlation](https://www.pairbook.io/api/v1/badge/rgti-vs-spy.svg)](https://www.pairbook.io/pair/rgti-vs-spy/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: RGTI correlations · SPY correlations