TMP vs TRST: Correlation
How closely do Tompkins Financial Corporation (TMP) and TrustCo Bank Corp NY (TRST) trade together? Their weekly returns over three years give a correlation of 0.86, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TMP and TRST?
Across a 3-year window, the weekly returns of TMP and TRST correlate at 0.86, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.78 over 1 year against 0.86 over 3. Stretching to 5 years gives 0.83, with an annualized covariance of 716.6 %².
Within TMP's tracked universe of 17 assets, TRST comes in at #6 by 3-year correlation. The trailing year gives TRST the advantage: +41.8% versus +50.9%, a 9.1-point spread.
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.
TMP vs TRST: side by side
| TMP (Tompkins Financial Corporation) | TRST (TrustCo Bank Corp NY) | |
|---|---|---|
| 1-year return | +41.8% | +50.9% |
| 5-year return | +49.6% | +121.0% |
| Volatility (ann.) | 31.6% | 26.2% |
| Beta vs S&P 500 | 0.72 | 0.68 |
| Max drawdown (3Y) | -30.9% | -26.2% |
| Market cap | $1.4B | $1.0B |
| P/E (trailing) | 8.0 | 15.9 |
| Dividend yield | 2.68% | 2.66% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | TMP | TRST |
|---|---|---|
| 2022 | -4.4% | +17.6% |
| 2023 | -19.2% | -13.3% |
| 2024 | +17.8% | +12.4% |
| 2025 | +11.1% | +29.3% |
| 2026 | +37.4% | +41.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TMP and TRST good diversifiers for each other?
No. With a correlation of 0.86, TMP and TRST move nearly in lockstep, so holding both adds very little diversification.
FAQ
What is the correlation between TMP and TRST?
Using weekly returns as of 2026-08-27: 0.86 over 3 years, with 0.78 over the last year and 0.83 over 5 years.
Is TRST a good diversifier for TMP?
No. With a correlation of 0.86, TMP and TRST move nearly in lockstep, so holding both adds very little diversification.
What does a correlation of 0.86 mean?
A reading of 0.86 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/tmp-vs-trst.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/tmp-vs-trst/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: TMP correlations · TRST correlations
