PairBook
HomeFN › FN vs SPY

FN vs SPY: Correlation

How closely do Fabrinet (FN) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.

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

Correlation (3Y)
0.51
moderate
Correlation (1Y)
0.37
last 12 months
Correlation (5Y)
0.48
long-run
Ann. covariance
410.9
%² · weekly, annualized

How correlated are FN and SPY?

Across a 3-year window, the weekly returns of FN and SPY correlate at 0.51, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.37 versus 0.51 over 3 years. Stretching to 5 years gives 0.48, with an annualized covariance of 410.9 %².

Out of 13 assets tracked against FN, SPY lands near the bottom at #9. On 12-month performance FN holds a 9.6-point edge, +30.2% against +20.6%. Note the risk asymmetry: FN runs 3.8 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.

FN vs SPY: side by side

FN (Fabrinet)SPY (SPDR S&P 500 ETF Trust)
1-year return+30.2%+20.6%
5-year return+317.1%+82.4%
Volatility (ann.)55.4%14.5%
Beta vs S&P 5001.971.00
Max drawdown (3Y)-44.5%-18.8%
Market cap$15.5B
P/E (trailing)33.2
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 -44.5%Higher 5y return: FN +317.1% vs +82.4%

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.

-3%0%+95%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FN · SPY

Year-by-year returns

YearFNSPY
2022+8.2%-18.2%
2023+48.4%+26.2%
2024+15.5%+24.9%
2025+107.1%+17.7%
2026-5.0%+13.7%

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

Are FN and SPY good diversifiers for each other?

To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between FN and SPY?

As of 2026-08-27, the correlation of weekly returns between FN and SPY is 0.51 over 3 years, 0.37 over 1 year and 0.48 over 5 years.

Is SPY a good diversifier for FN?

To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.51 mean?

A reading of 0.51 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/fn-vs-spy.json

FN vs SPY: 3-year weekly correlation 0.51FN vs SPY0.51

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

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

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

Related comparisons

Hubs: FN correlations · SPY correlations