SPY vs TRAK: Correlation
Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and ReposiTrak, Inc. (TRAK) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and TRAK?
Across a 3-year window, the weekly returns of SPY and TRAK correlate at 0.45, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.45 over 3. Stretching to 5 years gives 0.28, with an annualized covariance of 272.5 %².
By 3-year correlation, TRAK places #746 of the 4755 assets tracked against SPY. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 71.1 percentage points (+20.6% for SPY against -50.5% for TRAK). Note the risk asymmetry: TRAK runs 2.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 TRAK: side by side
| SPY (SPDR S&P 500 ETF Trust) | TRAK (ReposiTrak, Inc.) | |
|---|---|---|
| 1-year return | +20.6% | -50.5% |
| 5-year return | +82.4% | +52.8% |
| Volatility (ann.) | 14.5% | 42.1% |
| Beta vs S&P 500 | 1.00 | 1.30 |
| Max drawdown (3Y) | -18.8% | -71.0% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | 21.5 |
| Dividend yield | 1.01% | 0.99% |
| 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 | TRAK |
|---|---|---|
| 2022 | -18.2% | -14.4% |
| 2023 | +26.2% | +104.2% |
| 2024 | +24.9% | +122.0% |
| 2025 | +17.7% | -43.8% |
| 2026 | +13.7% | -35.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and TRAK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between SPY and TRAK?
As of 2026-08-27, the correlation of weekly returns between SPY and TRAK is 0.45 over 3 years, 0.39 over 1 year and 0.28 over 5 years.
Is TRAK a good diversifier for SPY?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.45 mean?
A reading of 0.45 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/spy-vs-trak.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/spy-vs-trak/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SPY correlations · TRAK correlations
