BNY vs NTRS: Correlation
Measured on weekly returns over the past three years, BNY Mellon (BNY) and Northern Trust (NTRS) carry a correlation of 0.73, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BNY and NTRS?
Across a 3-year window, the weekly returns of BNY and NTRS correlate at 0.73, strong. Recent behaviour matches the longer record: 0.73 over 1 year against 0.73 over 3. Stretching to 5 years gives 0.79, with an annualized covariance of 350.8 %².
NTRS is one of the assets that tracks BNY most closely: it ranks #3 out of the 31 assets we track against BNY. On 12-month performance BNY holds a 12.4-point edge, +57.2% against +44.8%. The rolling one-year correlation moved between 0.51 and 0.88 over the past three years, a moderate range.
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.
BNY vs NTRS: side by side
| BNY (BNY Mellon) | NTRS (Northern Trust) | |
|---|---|---|
| 1-year return | +57.2% | +44.8% |
| 5-year return | +236.7% | +83.2% |
| Volatility (ann.) | 20.2% | 23.7% |
| Beta vs S&P 500 | 0.89 | 1.08 |
| Max drawdown (3Y) | -17.6% | -25.2% |
| Market cap | $110.1B | $34.1B |
| P/E (trailing) | 19.0 | 16.1 |
| Dividend yield | 1.30% | 1.71% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BNY | NTRS |
|---|---|---|
| 2022 | -19.1% | -23.8% |
| 2023 | +18.5% | -1.0% |
| 2024 | +51.9% | +25.6% |
| 2025 | +54.4% | +36.9% |
| 2026 | +41.5% | +37.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BNY and NTRS good diversifiers for each other?
To a limited degree. At 0.73 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 BNY and NTRS?
As of 2026-08-27, the correlation of weekly returns between BNY and NTRS is 0.73 over 3 years, 0.73 over 1 year and 0.79 over 5 years.
Is NTRS a good diversifier for BNY?
To a limited degree. At 0.73 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 0.73 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/bny-vs-ntrs.json
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Related comparisons
Hubs: BNY correlations · NTRS correlations
