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PII vs THO: Correlation

Polaris Inc. (PII) and Thor Industries, Inc. (THO) show a strong relationship: their 3-year correlation of weekly returns is 0.61.

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

Correlation (3Y)
0.61
strong
Correlation (1Y)
0.62
last 12 months
Correlation (5Y)
0.64
long-run
Ann. covariance
881.8
%² · weekly, annualized

How correlated are PII and THO?

Over the past 3 years, PII and THO moved with a correlation of 0.61, which is strong. Little has changed lately, as the 1-year reading of 0.62 lands near the 3-year figure. Over 5 years the correlation is 0.64, and the annualized covariance of weekly returns is 881.8 %².

Within PII's tracked universe of 15 assets, THO comes in at #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PII outperformed by 45.0 percentage points (+15.8% for PII against -29.2% for THO).

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.

PII vs THO: side by side

PII (Polaris Inc.)THO (Thor Industries, Inc.)
1-year return+15.8%-29.2%
5-year return-39.0%-26.9%
Volatility (ann.)39.0%37.1%
Beta vs S&P 5001.071.19
Max drawdown (3Y)-70.4%-48.4%
Market cap$3.6B$4.0B
P/E (trailing)15.4
Dividend yield4.24%2.65%
Sector / categoryUS ListedUS Listed
Higher yield: PII 4.24% vs 2.65%Smaller drawdown: THO -48.4% vs -70.4%Higher 5y return: THO -26.9% vs -39.0%
-34%0%+28%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). PII · THO

Year-by-year returns

YearPIITHO
2022-6.0%-25.6%
2023-3.8%+59.8%
2024-37.2%-17.9%
2025+15.9%+9.7%
2026+3.1%-24.3%

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

Are PII and THO good diversifiers for each other?

To a limited degree. At 0.61 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 PII and THO?

The PII/THO correlation stands at 0.61 on a 3-year window (1 year: 0.62, 5 years: 0.64), computed from weekly returns as of 2026-08-27.

Is THO a good diversifier for PII?

To a limited degree. At 0.61 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 0.61 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

PII vs THO: 3-year weekly correlation 0.61PII vs THO0.61

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Related comparisons

Hubs: PII correlations · THO correlations