PairBook
HomeHIFS › HIFS vs SPY

HIFS vs SPY: Correlation

Measured on weekly returns over the past three years, Hingham Institution for Savings (HIFS) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.37, a moderate link.

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

Correlation (3Y)
0.37
moderate
Correlation (1Y)
0.30
last 12 months
Correlation (5Y)
0.40
long-run
Ann. covariance
218.7
%² · weekly, annualized

How correlated are HIFS and SPY?

Across a 3-year window, the weekly returns of HIFS and SPY correlate at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.30 lands near the 3-year figure. Stretching to 5 years gives 0.40, with an annualized covariance of 218.7 %².

Out of 10 assets tracked against HIFS, SPY lands near the bottom at #6. Correlation aside, the last 12 months split them widely, with SPY ahead by 18.0 points (+2.6% versus +20.6%). Note the risk asymmetry: HIFS runs 2.8 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.

HIFS vs SPY: side by side

HIFS (Hingham Institution for Savings)SPY (SPDR S&P 500 ETF Trust)
1-year return+2.6%+20.6%
5-year return-2.0%+82.4%
Volatility (ann.)40.5%14.5%
Beta vs S&P 5001.051.00
Max drawdown (3Y)-27.8%-18.8%
Market cap$0.7B
P/E (trailing)10.0
Dividend yield0.84%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.84%Smaller drawdown: SPY -18.8% vs -27.8%Higher 5y return: SPY +82.4% vs -2.0%

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.

-2%0%+26%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. HIFS · SPY

Year-by-year returns

YearHIFSSPY
2022-33.6%-18.2%
2023-28.6%+26.2%
2024+31.9%+24.9%
2025+12.8%+17.7%
2026+6.0%+13.7%

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

Are HIFS and SPY good diversifiers for each other?

A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between HIFS and SPY?

Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.30 over the last year and 0.40 over 5 years.

Is SPY a good diversifier for HIFS?

A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.37 mean?

On the −1 to +1 scale, 0.37 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.

Use this data

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

HIFS vs SPY: 3-year weekly correlation 0.37HIFS vs SPY0.37

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

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

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

Related comparisons

Hubs: HIFS correlations · SPY correlations