BOLD vs PERI: Correlation
How closely do Boundless Bio, Inc. (BOLD) and Perion Network Ltd (PERI) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BOLD and PERI?
Over the past 3 years, BOLD and PERI moved with a correlation of 0.40, which is moderate. The relationship has been stable: the 1-year correlation (0.43) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 1767.7 %².
Within BOLD's tracked universe of 18 assets, PERI comes in at #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BOLD outperformed by 147.2 percentage points (+150.9% for BOLD against +3.7% for PERI). One caveat on sizing: BOLD is 1.9 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.
BOLD vs PERI: side by side
| BOLD (Boundless Bio, Inc.) | PERI (Perion Network Ltd) | |
|---|---|---|
| 1-year return | +150.9% | +3.7% |
| 5-year return | n/a | -54.1% |
| Volatility (ann.) | 90.9% | 48.9% |
| Beta vs S&P 500 | 1.60 | 1.06 |
| Max drawdown (3Y) | -92.9% | -80.1% |
| Market cap | $0.1B | $0.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BOLD | PERI |
|---|---|---|
| 2022 | – | +5.2% |
| 2023 | – | +22.0% |
| 2024 | – | -72.6% |
| 2025 | -58.6% | +13.1% |
| 2026 | +138.3% | +0.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BOLD and PERI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BOLD and PERI?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.43 over the last year and n/a over 5 years.
Is PERI a good diversifier for BOLD?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 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/bold-vs-peri.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bold-vs-peri/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BOLD correlations · PERI correlations
