DRTS vs PBK: Correlation
How closely do Alpha Tau Medical Ltd. (DRTS) and PowerBank Corporation (PBK) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DRTS and PBK?
On 3 years of weekly data the DRTS/PBK correlation comes out at -0.23, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.25) sits close to the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -1359.0 %².
Out of 10 assets tracked against DRTS, PBK lands near the bottom at #10. Their recent paths diverged sharply: over the last 12 months DRTS outperformed by 418.2 percentage points (+339.5% for DRTS against -78.7% for PBK). One caveat on sizing: PBK is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
DRTS vs PBK: side by side
| DRTS (Alpha Tau Medical Ltd.) | PBK (PowerBank Corporation) | |
|---|---|---|
| 1-year return | +339.5% | -78.7% |
| 5-year return | +50.5% | n/a |
| Volatility (ann.) | 58.3% | 96.0% |
| Beta vs S&P 500 | 0.85 | 0.19 |
| Max drawdown (3Y) | -48.3% | -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 | DRTS | PBK |
|---|---|---|
| 2022 | -67.6% | – |
| 2023 | -5.3% | – |
| 2024 | +3.0% | – |
| 2025 | +59.7% | -11.7% |
| 2026 | +199.2% | -75.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DRTS and PBK good diversifiers for each other?
Yes. With a correlation of -0.23, DRTS and PBK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between DRTS and PBK?
Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.25 over the last year and n/a over 5 years.
Is PBK a good diversifier for DRTS?
Yes. With a correlation of -0.23, DRTS and PBK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 mean?
A reading of -0.23 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/drts-vs-pbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/drts-vs-pbk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DRTS correlations · PBK correlations
