PTC vs VUG: Correlation
How closely do PTC Inc. (PTC) and Vanguard Growth ETF (VUG) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PTC and VUG?
Across a 3-year window, the weekly returns of PTC and VUG correlate at 0.53, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.41 versus 0.53 over 3 years. Stretching to 5 years gives 0.54, with an annualized covariance of 295.2 %².
By 3-year correlation, VUG places #10 of the 32 assets tracked against PTC. The last year tells two different stories: VUG led by 42.8 percentage points, -26.6% for PTC against +16.2% for VUG. Across three years, the rolling one-year figure varied moderately, from 0.32 to 0.77.
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 VUG: side by side
| PTC (PTC Inc.) | VUG (Vanguard Growth ETF) | |
|---|---|---|
| 1-year return | -26.6% | +16.2% |
| 5-year return | +20.0% | +78.4% |
| Volatility (ann.) | 28.8% | 19.4% |
| Beta vs S&P 500 | 1.02 | 1.28 |
| Max drawdown (3Y) | -48.1% | -22.8% |
| Market cap | $17.2B | – |
| P/E (trailing) | 14.7 | – |
| Dividend yield | 0.00% | 0.40% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $372.0B |
| Sector / category | Information Technology | ETF · US Style |
VUG, Vanguard's Large Growth fund, carries $372.0B under management, 146 holdings, a 0.03% expense ratio, a 0.40% trailing dividend yield.
Year-by-year returns
| Year | PTC | VUG |
|---|---|---|
| 2022 | -0.9% | -33.2% |
| 2023 | +45.8% | +46.8% |
| 2024 | +5.1% | +32.7% |
| 2025 | -5.3% | +19.4% |
| 2026 | -8.8% | +9.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PTC and VUG good diversifiers for each other?
Only partially. A correlation of 0.53 means PTC and VUG 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 PTC and VUG?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.41 over the last year and 0.54 over 5 years.
Is VUG a good diversifier for PTC?
Only partially. A correlation of 0.53 means PTC and VUG 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/ptc-vs-vug.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ptc-vs-vug/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PTC correlations · VUG correlations
