FAST vs ITT: Correlation
Measured on weekly returns over the past three years, Fastenal (FAST) and ITT Inc. (ITT) carry a correlation of 0.51, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FAST and ITT?
Across a 3-year window, the weekly returns of FAST and ITT correlate at 0.51, moderate. The past 12 months show a weaker link (0.40) than the 3-year average (0.51). Stretching to 5 years gives 0.56, with an annualized covariance of 335.5 %².
By 3-year correlation, ITT places #11 of the 33 assets tracked against FAST. The last year tells two different stories: ITT led by 16.7 percentage points, +4.1% for FAST against +20.8% for ITT.
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.
FAST vs ITT: side by side
| FAST (Fastenal) | ITT (ITT Inc.) | |
|---|---|---|
| 1-year return | +4.1% | +20.8% |
| 5-year return | +105.5% | +124.4% |
| Volatility (ann.) | 24.0% | 27.4% |
| Beta vs S&P 500 | 0.63 | 1.33 |
| Max drawdown (3Y) | -21.9% | -29.1% |
| Market cap | $58.7B | – |
| P/E (trailing) | 43.7 | 40.9 |
| Dividend yield | 1.80% | 0.70% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | FAST | ITT |
|---|---|---|
| 2022 | -24.3% | -19.5% |
| 2023 | +41.3% | +48.9% |
| 2024 | +13.5% | +20.9% |
| 2025 | +14.0% | +22.5% |
| 2026 | +29.5% | +20.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FAST and ITT 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 FAST and ITT?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.40 over the last year and 0.56 over 5 years.
Is ITT a good diversifier for FAST?
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?
On the −1 to +1 scale, 0.51 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
$ curl https://www.pairbook.io/api/v1/pairs/fast-vs-itt.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fast-vs-itt/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FAST correlations · ITT correlations
