PairBook
HomeAPT › APT vs PLNT

APT vs PLNT: Correlation

How closely do Alpha Pro Tech, Ltd. (APT) and Planet Fitness, Inc. (PLNT) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.

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

Correlation (3Y)
-0.25
negative
Correlation (1Y)
-0.56
last 12 months
Correlation (5Y)
-0.18
long-run
Ann. covariance
-402.5
%² · weekly, annualized

How correlated are APT and PLNT?

On 3 years of weekly data the APT/PLNT correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.56) than the 3-year average (-0.25). The 5-year figure is -0.18, and annualized covariance runs at -402.5 %².

Out of 12 assets tracked against APT, PLNT lands near the bottom at #11. The last year tells two different stories: APT led by 63.9 percentage points, +12.8% for APT against -51.1% for PLNT.

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.

APT vs PLNT: side by side

APT (Alpha Pro Tech, Ltd.)PLNT (Planet Fitness, Inc.)
1-year return+12.8%-51.1%
5-year return-33.5%-36.6%
Volatility (ann.)42.0%39.0%
Beta vs S&P 5000.650.42
Max drawdown (3Y)-39.0%-61.2%
Market cap$0.1B$3.9B
P/E (trailing)14.017.6
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: APT 14.0 vs 17.6Smaller drawdown: APT -39.0% vs -61.2%Higher 5y return: APT -33.5% vs -36.6%
-56%0%+32%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. APT · PLNT

Year-by-year returns

YearAPTPLNT
2022-32.7%-13.0%
2023+31.6%-7.4%
2024+0.0%+35.4%
2025-16.1%+9.7%
2026+23.2%-52.3%

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

Are APT and PLNT good diversifiers for each other?

By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.

FAQ

What is the correlation between APT and PLNT?

The APT/PLNT correlation stands at -0.25 on a 3-year window (1 year: -0.56, 5 years: -0.18), computed from weekly returns as of 2026-08-27.

Is PLNT a good diversifier for APT?

By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.

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/apt-vs-plnt.json

APT vs PLNT: 3-year weekly correlation -0.25APT vs PLNT-0.25

Markdown for the live badge, attribution link included:

[![APT vs PLNT correlation](https://www.pairbook.io/api/v1/badge/apt-vs-plnt.svg)](https://www.pairbook.io/pair/apt-vs-plnt/)

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

Related comparisons

Hubs: APT correlations · PLNT correlations