NDAQ vs TRU: Correlation
Measured on weekly returns over the past three years, Nasdaq, Inc. (NDAQ) and TransUnion (TRU) 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 NDAQ and TRU?
Over the past 3 years, NDAQ and TRU moved with a correlation of 0.53, which is moderate. Little has changed lately, as the 1-year reading of 0.44 lands near the 3-year figure. Over 5 years the correlation is 0.53, and the annualized covariance of weekly returns is 517.2 %².
Among the 35 assets we track against NDAQ, TRU ranks #13 by 3-year correlation. On 12-month performance NDAQ holds a 10.4-point edge, +6.1% against -4.3%. One caveat on sizing: TRU is 1.8 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.
NDAQ vs TRU: side by side
| NDAQ (Nasdaq, Inc.) | TRU (TransUnion) | |
|---|---|---|
| 1-year return | +6.1% | -4.3% |
| 5-year return | +64.4% | -27.4% |
| Volatility (ann.) | 23.2% | 41.6% |
| Beta vs S&P 500 | 0.80 | 1.71 |
| Max drawdown (3Y) | -23.4% | -47.3% |
| Market cap | $55.5B | $16.2B |
| P/E (trailing) | 29.0 | 22.3 |
| Dividend yield | 1.13% | 0.28% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | NDAQ | TRU |
|---|---|---|
| 2022 | -11.2% | -51.9% |
| 2023 | -3.7% | +21.8% |
| 2024 | +34.8% | +35.6% |
| 2025 | +27.2% | -7.0% |
| 2026 | +3.0% | -0.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NDAQ and TRU good diversifiers for each other?
Only partially. A correlation of 0.53 means NDAQ and TRU 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 NDAQ and TRU?
The NDAQ/TRU correlation stands at 0.53 on a 3-year window (1 year: 0.44, 5 years: 0.53), computed from weekly returns as of 2026-08-27.
Is TRU a good diversifier for NDAQ?
Only partially. A correlation of 0.53 means NDAQ and TRU share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 mean?
On the −1 to +1 scale, 0.53 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-tru.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ndaq-vs-tru/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NDAQ correlations · TRU correlations
