PTC vs XLY: Correlation
PTC Inc. (PTC) and Consumer Discretionary Select Sector SPDR Fund (XLY) show a moderate relationship: their 3-year correlation of weekly returns is 0.53.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PTC and XLY?
Across a 3-year window, the weekly returns of PTC and XLY correlate at 0.53, moderate. The link has loosened recently: the 1-year correlation (0.41) runs below the 3-year figure (0.53). Stretching to 5 years gives 0.50, with an annualized covariance of 297.2 %².
Among the 32 assets we track against PTC, XLY ranks #11 by 3-year correlation. Correlation aside, the last 12 months split them widely, with XLY ahead by 26.5 points (-26.6% versus -0.1%). The relationship is regime-dependent: the rolling one-year correlation swung between 0.21 and 0.76 over the past three years, so this pair behaves very differently depending on the market environment.
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.
PTC vs XLY: side by side
| PTC (PTC Inc.) | XLY (Consumer Discretionary Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | -26.6% | -0.1% |
| 5-year return | +20.0% | +31.8% |
| Volatility (ann.) | 28.8% | 19.7% |
| Beta vs S&P 500 | 1.02 | 1.15 |
| Max drawdown (3Y) | -48.1% | -26.0% |
| Market cap | $17.2B | – |
| P/E (trailing) | 14.7 | – |
| Dividend yield | 0.00% | 0.78% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $22.5B |
| Sector / category | Information Technology | Sector ETF |
XLY is a Consumer Cyclical fund from State Street Investment Management: $22.5B under management, 47 holdings, a 0.08% expense ratio, a 0.78% trailing dividend yield.
Year-by-year returns
| Year | PTC | XLY |
|---|---|---|
| 2022 | -0.9% | -36.3% |
| 2023 | +45.8% | +39.6% |
| 2024 | +5.1% | +26.5% |
| 2025 | -5.3% | +7.4% |
| 2026 | -8.8% | -2.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PTC and XLY good diversifiers for each other?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PTC and XLY?
The PTC/XLY correlation stands at 0.53 on a 3-year window (1 year: 0.41, 5 years: 0.50), computed from weekly returns as of 2026-08-27.
Is XLY a good diversifier for PTC?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.53 mean?
A reading of 0.53 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/ptc-vs-xly.json
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Related comparisons
Hubs: PTC correlations · XLY correlations
