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FIX vs TT: Correlation

Measured on weekly returns over the past three years, Comfort Systems USA (FIX) and Trane Technologies (TT) carry a correlation of 0.61, a strong link.

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

Correlation (3Y)
0.61
strong
Correlation (1Y)
0.51
last 12 months
Correlation (5Y)
0.61
long-run
Ann. covariance
810.0
%² · weekly, annualized

How correlated are FIX and TT?

Across a 3-year window, the weekly returns of FIX and TT correlate at 0.61, strong. The relationship has been stable: the 1-year correlation (0.51) sits close to the 3-year figure. Stretching to 5 years gives 0.61, with an annualized covariance of 810.0 %².

Among the 37 assets we track against FIX, TT ranks #15 by 3-year correlation. The last year tells two different stories: FIX led by 120.2 percentage points, +128.0% for FIX against +7.8% for TT. On a rolling one-year basis the correlation drifted between 0.44 and 0.80, a moderate band. Note the risk asymmetry: FIX runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

FIX vs TT: side by side

FIX (Comfort Systems USA)TT (Trane Technologies)
1-year return+128.0%+7.8%
5-year return+2077.9%+141.4%
Volatility (ann.)47.4%27.8%
Beta vs S&P 5001.741.19
Max drawdown (3Y)-46.0%-24.4%
Market cap$56.8B$100.0B
P/E (trailing)39.833.8
Dividend yield0.16%0.86%
Sector / categoryIndustrialsIndustrials
Lower P/E: TT 33.8 vs 39.8Higher yield: TT 0.86% vs 0.16%Smaller drawdown: TT -24.4% vs -46.0%Higher 5y return: FIX +2077.9% vs +141.4%
-8%0%+183%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). FIX · TT

Year-by-year returns

YearFIXTT
2022+17.0%-15.3%
2023+79.6%+47.4%
2024+106.9%+53.0%
2025+120.9%+6.1%
2026+73.3%+17.3%

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

Are FIX and TT 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 FIX and TT?

The FIX/TT correlation stands at 0.61 on a 3-year window (1 year: 0.51, 5 years: 0.61), computed from weekly returns as of 2026-08-27.

Is TT a good diversifier for FIX?

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?

On the −1 to +1 scale, 0.61 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/fix-vs-tt.json

FIX vs TT: 3-year weekly correlation 0.61FIX vs TT0.61

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Related comparisons

Hubs: FIX correlations · TT correlations