MSFT vs PTC: Correlation
Measured on weekly returns over the past three years, Microsoft (MSFT) and PTC Inc. (PTC) carry a correlation of 0.59, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MSFT and PTC?
Over the past 3 years, MSFT and PTC moved with a correlation of 0.59, which is moderate. The relationship has been stable: the 1-year correlation (0.65) sits close to the 3-year figure. Over 5 years the correlation is 0.56, and the annualized covariance of weekly returns is 469.9 %².
Within MSFT's tracked universe of 39 assets, PTC comes in at #14 by 3-year correlation. The last year tells two different stories: MSFT led by 27.1 percentage points, +0.5% for MSFT against -26.6% for PTC. On a rolling one-year basis the correlation drifted between 0.31 and 0.64, a moderate band.
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.
MSFT vs PTC: side by side
| MSFT (Microsoft) | PTC (PTC Inc.) | |
|---|---|---|
| 1-year return | +0.5% | -26.6% |
| 5-year return | +73.3% | +20.0% |
| Volatility (ann.) | 27.5% | 28.8% |
| Beta vs S&P 500 | 1.12 | 1.02 |
| Max drawdown (3Y) | -34.5% | -48.1% |
| Market cap | $3,750.3B | $17.2B |
| P/E (trailing) | 28.1 | 14.7 |
| Dividend yield | 0.73% | 0.00% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | MSFT | PTC |
|---|---|---|
| 2022 | -28.0% | -0.9% |
| 2023 | +58.2% | +45.8% |
| 2024 | +12.9% | +5.1% |
| 2025 | +15.6% | -5.3% |
| 2026 | +5.1% | -8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MSFT and PTC good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MSFT and PTC?
The MSFT/PTC correlation stands at 0.59 on a 3-year window (1 year: 0.65, 5 years: 0.56), computed from weekly returns as of 2026-08-27.
Is PTC a good diversifier for MSFT?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
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/msft-vs-ptc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/msft-vs-ptc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MSFT correlations · PTC correlations
