SPY vs TRU: Correlation
How closely do SPDR S&P 500 ETF Trust (SPY) and TransUnion (TRU) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and TRU?
Across a 3-year window, the weekly returns of SPY and TRU correlate at 0.59, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.28 versus 0.59 over 3 years. Stretching to 5 years gives 0.62, with an annualized covariance of 357.1 %².
Within SPY's tracked universe of 4755 assets, TRU comes in at #197 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 24.9 points (+20.6% versus -4.3%). One caveat on sizing: TRU is 2.9 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.
SPY vs TRU: side by side
| SPY (SPDR S&P 500 ETF Trust) | TRU (TransUnion) | |
|---|---|---|
| 1-year return | +20.6% | -4.3% |
| 5-year return | +82.4% | -27.4% |
| Volatility (ann.) | 14.5% | 41.6% |
| Beta vs S&P 500 | 1.00 | 1.71 |
| Max drawdown (3Y) | -18.8% | -47.3% |
| Market cap | – | $16.2B |
| P/E (trailing) | – | 22.3 |
| Dividend yield | 1.01% | 0.28% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | US Listed |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | TRU |
|---|---|---|
| 2022 | -18.2% | -51.9% |
| 2023 | +26.2% | +21.8% |
| 2024 | +24.9% | +35.6% |
| 2025 | +17.7% | -7.0% |
| 2026 | +13.7% | -0.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and TRU good diversifiers for each other?
Only partially. A correlation of 0.59 means SPY 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 SPY and TRU?
The SPY/TRU correlation stands at 0.59 on a 3-year window (1 year: 0.28, 5 years: 0.62), computed from weekly returns as of 2026-08-27.
Is TRU a good diversifier for SPY?
Only partially. A correlation of 0.59 means SPY 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 0.59 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/spy-vs-tru.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/spy-vs-tru/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SPY correlations · TRU correlations
