PairBook
HomeBAER › BAER vs SPY

BAER vs SPY: Correlation

How closely do Bridger Aerospace Group Holdings, Inc. (BAER) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.25, which is weak.

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

Correlation (3Y)
0.25
weak
Correlation (1Y)
0.22
last 12 months
Correlation (5Y)
0.10
long-run
Ann. covariance
356.4
%² · weekly, annualized

How correlated are BAER and SPY?

On 3 years of weekly data the BAER/SPY correlation comes out at 0.25, weak. Little has changed lately, as the 1-year reading of 0.22 lands near the 3-year figure. The 5-year figure is 0.10, and annualized covariance runs at 356.4 %².

Within BAER's tracked universe of 11 assets, SPY comes in at #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 64.2 percentage points (-43.6% for BAER against +20.6% for SPY). One caveat on sizing: BAER is 6.7 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.

BAER vs SPY: side by side

BAER (Bridger Aerospace Group Holdings, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-43.6%+20.6%
5-year return-88.1%+82.4%
Volatility (ann.)97.4%14.5%
Beta vs S&P 5001.711.00
Max drawdown (3Y)-87.8%-18.8%
Market cap$0.1B
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 -87.8%Higher 5y return: SPY +82.4% vs -88.1%

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.

-43%0%+42%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BAER · SPY

Year-by-year returns

YearBAERSPY
2022+3.8%-18.2%
2023-31.8%+26.2%
2024-69.2%+24.9%
2025-14.1%+17.7%
2026-37.2%+13.7%

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

Are BAER and SPY good diversifiers for each other?

A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between BAER and SPY?

As of 2026-08-27, the correlation of weekly returns between BAER and SPY is 0.25 over 3 years, 0.22 over 1 year and 0.10 over 5 years.

Is SPY a good diversifier for BAER?

A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.25 mean?

On the −1 to +1 scale, 0.25 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/baer-vs-spy.json

BAER vs SPY: 3-year weekly correlation 0.25BAER vs SPY0.25

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

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

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

Related comparisons

Hubs: BAER correlations · SPY correlations