ALRM vs TRMB: Correlation
How closely do Alarm.com Holdings, Inc. (ALRM) and Trimble Inc. (TRMB) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALRM and TRMB?
Across a 3-year window, the weekly returns of ALRM and TRMB correlate at 0.62, strong. Recent behaviour matches the longer record: 0.64 over 1 year against 0.62 over 3. Stretching to 5 years gives 0.56, with an annualized covariance of 536.5 %².
Few assets follow ALRM as closely as TRMB, which ranks #1 of 17 tracked partners. The last year tells two different stories: ALRM led by 23.5 percentage points, -1.6% for ALRM against -25.1% for TRMB.
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.
ALRM vs TRMB: side by side
| ALRM (Alarm.com Holdings, Inc.) | TRMB (Trimble Inc.) | |
|---|---|---|
| 1-year return | -1.6% | -25.1% |
| 5-year return | -30.9% | -35.7% |
| Volatility (ann.) | 28.1% | 30.9% |
| Beta vs S&P 500 | 0.96 | 1.13 |
| Max drawdown (3Y) | -44.3% | -42.7% |
| Market cap | $2.8B | $14.3B |
| P/E (trailing) | 25.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | ALRM | TRMB |
|---|---|---|
| 2022 | -41.7% | -42.0% |
| 2023 | +30.6% | +5.2% |
| 2024 | -5.9% | +32.8% |
| 2025 | -16.1% | +10.9% |
| 2026 | +12.9% | -21.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALRM and TRMB good diversifiers for each other?
To a limited degree. At 0.62 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 ALRM and TRMB?
As of 2026-08-27, the correlation of weekly returns between ALRM and TRMB is 0.62 over 3 years, 0.64 over 1 year and 0.56 over 5 years.
Is TRMB a good diversifier for ALRM?
To a limited degree. At 0.62 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 0.62 mean?
A reading of 0.62 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/alrm-vs-trmb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/alrm-vs-trmb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ALRM correlations · TRMB correlations
