BNY vs MS: Correlation
How closely do BNY Mellon (BNY) and Morgan Stanley (MS) trade together? Their weekly returns over three years give a correlation of 0.71, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BNY and MS?
On 3 years of weekly data the BNY/MS correlation comes out at 0.71, strong. The relationship has been stable: the 1-year correlation (0.62) sits close to the 3-year figure. The 5-year figure is 0.70, and annualized covariance runs at 406.4 %².
Among the 31 assets we track against BNY, MS ranks #7 by 3-year correlation. Over the last 12 months BNY came out ahead by 10.1 percentage points (+57.2% against +47.1%). The link looks structural: the rolling one-year correlation barely moved, holding between 0.58 and 0.82.
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 MS: side by side
| BNY (BNY Mellon) | MS (Morgan Stanley) | |
|---|---|---|
| 1-year return | +57.2% | +47.1% |
| 5-year return | +236.7% | +142.0% |
| Volatility (ann.) | 20.2% | 28.3% |
| Beta vs S&P 500 | 0.89 | 1.43 |
| Max drawdown (3Y) | -17.6% | -29.2% |
| Market cap | $110.1B | $337.5B |
| P/E (trailing) | 19.0 | 17.4 |
| Dividend yield | 1.30% | 1.94% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BNY | MS |
|---|---|---|
| 2022 | -19.1% | -10.3% |
| 2023 | +18.5% | +13.9% |
| 2024 | +51.9% | +39.7% |
| 2025 | +54.4% | +45.2% |
| 2026 | +41.5% | +23.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BNY and MS good diversifiers for each other?
Only partially. A correlation of 0.71 means BNY and MS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BNY and MS?
Using weekly returns as of 2026-08-27: 0.71 over 3 years, with 0.62 over the last year and 0.70 over 5 years.
Is MS a good diversifier for BNY?
Only partially. A correlation of 0.71 means BNY and MS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.71 mean?
A reading of 0.71 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/bny-vs-ms.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bny-vs-ms/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BNY correlations · MS correlations
