APPF vs PTC: Correlation
AppFolio, Inc. (APPF) and PTC Inc. (PTC) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APPF and PTC?
On 3 years of weekly data the APPF/PTC correlation comes out at 0.45, moderate. The link has tightened recently: the 1-year correlation (0.58) runs above the 3-year figure (0.45). The 5-year figure is 0.41, and annualized covariance runs at 540.3 %².
In APPF's tracked universe of 13 assets, PTC sits right near the top at #2. Over the last 12 months APPF came out ahead by 10.6 percentage points (-16.0% against -26.6%).
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.
APPF vs PTC: side by side
| APPF (AppFolio, Inc.) | PTC (PTC Inc.) | |
|---|---|---|
| 1-year return | -16.0% | -26.6% |
| 5-year return | +93.0% | +20.0% |
| Volatility (ann.) | 41.6% | 28.8% |
| Beta vs S&P 500 | 0.64 | 1.02 |
| Max drawdown (3Y) | -55.4% | -48.1% |
| Market cap | $8.2B | $17.2B |
| P/E (trailing) | 50.8 | 14.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | APPF | PTC |
|---|---|---|
| 2022 | -13.0% | -0.9% |
| 2023 | +64.4% | +45.8% |
| 2024 | +42.4% | +5.1% |
| 2025 | -5.7% | -5.3% |
| 2026 | -0.3% | -8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APPF and PTC 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 APPF and PTC?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.58 over the last year and 0.41 over 5 years.
Is PTC a good diversifier for APPF?
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/appf-vs-ptc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/appf-vs-ptc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: APPF correlations · PTC correlations
