SPY vs TRMB: Correlation
Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Trimble Inc. (TRMB) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and TRMB?
On 3 years of weekly data the SPY/TRMB correlation comes out at 0.53, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.36 versus 0.53 over 3 years. The 5-year figure is 0.66, and annualized covariance runs at 235.7 %².
Within SPY's tracked universe of 4755 assets, TRMB comes in at #361 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 45.7 points (+20.6% versus -25.1%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.22 to 0.83. One caveat on sizing: TRMB is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
SPY vs TRMB: side by side
| SPY (SPDR S&P 500 ETF Trust) | TRMB (Trimble Inc.) | |
|---|---|---|
| 1-year return | +20.6% | -25.1% |
| 5-year return | +82.4% | -35.7% |
| Volatility (ann.) | 14.5% | 30.9% |
| Beta vs S&P 500 | 1.00 | 1.13 |
| Max drawdown (3Y) | -18.8% | -42.7% |
| Market cap | – | $14.3B |
| P/E (trailing) | – | – |
| Dividend yield | 1.01% | 0.00% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | Information Technology |
SPY, State Street Investment Management's Large Blend fund, carries $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | TRMB |
|---|---|---|
| 2022 | -18.2% | -42.0% |
| 2023 | +26.2% | +5.2% |
| 2024 | +24.9% | +32.8% |
| 2025 | +17.7% | +10.9% |
| 2026 | +13.7% | -21.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and TRMB good diversifiers for each other?
To a limited degree. At 0.53 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 SPY and TRMB?
The SPY/TRMB correlation stands at 0.53 on a 3-year window (1 year: 0.36, 5 years: 0.66), computed from weekly returns as of 2026-08-27.
Is TRMB a good diversifier for SPY?
To a limited degree. At 0.53 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 0.53 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
$ curl https://www.pairbook.io/api/v1/pairs/spy-vs-trmb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/spy-vs-trmb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SPY correlations · TRMB correlations
