APPS vs PBK: Correlation
How closely do Digital Turbine, Inc. (APPS) and PowerBank Corporation (PBK) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APPS and PBK?
Over the past 3 years, APPS and PBK moved with a correlation of 0.41, which is moderate. The past 12 months show a weaker link (0.27) than the 3-year average (0.41). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 5477.2 %².
Within APPS's tracked universe of 14 assets, PBK comes in at #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with APPS ahead by 251.7 points (+173.0% versus -78.7%).
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.
APPS vs PBK: side by side
| APPS (Digital Turbine, Inc.) | PBK (PowerBank Corporation) | |
|---|---|---|
| 1-year return | +173.0% | -78.7% |
| 5-year return | -77.7% | n/a |
| Volatility (ann.) | 130.3% | 96.0% |
| Beta vs S&P 500 | 2.13 | 0.19 |
| Max drawdown (3Y) | -86.7% | -93.7% |
| Market cap | $1.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | APPS | PBK |
|---|---|---|
| 2022 | -75.0% | – |
| 2023 | -55.0% | – |
| 2024 | -75.4% | – |
| 2025 | +195.9% | -11.7% |
| 2026 | +128.8% | -75.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APPS and PBK good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between APPS and PBK?
The APPS/PBK correlation stands at 0.41 on a 3-year window (1 year: 0.27, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is PBK a good diversifier for APPS?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 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/apps-vs-pbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/apps-vs-pbk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: APPS correlations · PBK correlations
