PBYI vs WBTN: Correlation
Measured on weekly returns over the past three years, Puma Biotechnology Inc (PBYI) and WEBTOON Entertainment Inc. (WBTN) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PBYI and WBTN?
On 3 years of weekly data the PBYI/WBTN correlation comes out at 0.38, moderate. The link has loosened recently: the 1-year correlation (0.08) runs below the 3-year figure (0.38). The 5-year figure is n/a, and annualized covariance runs at 2163.8 %².
Among the 10 assets we track against PBYI, WBTN ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PBYI outperformed by 115.6 percentage points (+81.2% for PBYI against -34.4% for WBTN).
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.
PBYI vs WBTN: side by side
| PBYI (Puma Biotechnology Inc) | WBTN (WEBTOON Entertainment Inc.) | |
|---|---|---|
| 1-year return | +81.2% | -34.4% |
| 5-year return | +21.4% | n/a |
| Volatility (ann.) | 70.9% | 80.5% |
| Beta vs S&P 500 | 0.91 | 1.69 |
| Max drawdown (3Y) | -69.6% | -70.6% |
| Market cap | $0.5B | $1.4B |
| P/E (trailing) | 18.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PBYI | WBTN |
|---|---|---|
| 2022 | +39.1% | – |
| 2023 | +2.4% | – |
| 2024 | -29.6% | – |
| 2025 | +95.1% | -4.1% |
| 2026 | +55.3% | -23.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PBYI and WBTN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PBYI and WBTN?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.08 over the last year and n/a over 5 years.
Is WBTN a good diversifier for PBYI?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 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/pbyi-vs-wbtn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pbyi-vs-wbtn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PBYI correlations · WBTN correlations
