NDAQ vs SSNC: Correlation
How closely do Nasdaq, Inc. (NDAQ) and SS&C Technologies Holdings, Inc. (SSNC) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NDAQ and SSNC?
On 3 years of weekly data the NDAQ/SSNC correlation comes out at 0.54, moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. The 5-year figure is 0.54, and annualized covariance runs at 290.8 %².
By 3-year correlation, SSNC places #10 of the 35 assets tracked against NDAQ. The trailing year gives NDAQ the advantage: +6.1% versus -5.4%, a 11.5-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.
NDAQ vs SSNC: side by side
| NDAQ (Nasdaq, Inc.) | SSNC (SS&C Technologies Holdings, Inc.) | |
|---|---|---|
| 1-year return | +6.1% | -5.4% |
| 5-year return | +64.4% | +17.5% |
| Volatility (ann.) | 23.2% | 23.0% |
| Beta vs S&P 500 | 0.80 | 0.82 |
| Max drawdown (3Y) | -23.4% | -30.4% |
| Market cap | $55.5B | $19.6B |
| P/E (trailing) | 29.0 | 23.8 |
| Dividend yield | 1.13% | 1.30% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | NDAQ | SSNC |
|---|---|---|
| 2022 | -11.2% | -35.7% |
| 2023 | -3.7% | +19.2% |
| 2024 | +34.8% | +25.8% |
| 2025 | +27.2% | +16.8% |
| 2026 | +3.0% | -3.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NDAQ and SSNC good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NDAQ and SSNC?
The NDAQ/SSNC correlation stands at 0.54 on a 3-year window (1 year: 0.52, 5 years: 0.54), computed from weekly returns as of 2026-08-27.
Is SSNC a good diversifier for NDAQ?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
On the −1 to +1 scale, 0.54 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ndaq-vs-ssnc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ndaq-vs-ssnc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NDAQ correlations · SSNC correlations
