PairBook
HomeBOW › BOW vs PMCB

BOW vs PMCB: Correlation

Measured on weekly returns over the past three years, Bowhead Specialty Holdings Inc. (BOW) and PharmaCyte Biotech, Inc. (PMCB) carry a correlation of -0.26, a negative link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.26
negative
Correlation (1Y)
-0.27
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
-598.8
%² · weekly, annualized

How correlated are BOW and PMCB?

Across a 3-year window, the weekly returns of BOW and PMCB correlate at -0.26, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.27 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -598.8 %².

PMCB is close to the least connected end of BOW's tracked universe, ranking #14 of 16. Correlation aside, the last 12 months split them widely, with BOW ahead by 51.3 points (+7.0% versus -44.3%). Note the risk asymmetry: PMCB runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

BOW vs PMCB: side by side

BOW (Bowhead Specialty Holdings Inc.)PMCB (PharmaCyte Biotech, Inc.)
1-year return+7.0%-44.3%
5-year returnn/a-83.6%
Volatility (ann.)34.6%62.1%
Beta vs S&P 5000.370.92
Max drawdown (3Y)-49.1%-80.3%
Market cap$1.1B
P/E (trailing)18.2
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: BOW -49.1% vs -80.3%
-43%0%+30%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BOW · PMCB

Year-by-year returns

YearBOWPMCB
2022+17.2%
2023-26.3%
2024-27.3%
2025-19.7%-53.9%
2026+17.7%-25.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BOW and PMCB good diversifiers for each other?

By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.

FAQ

What is the correlation between BOW and PMCB?

Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.27 over the last year and n/a over 5 years.

Is PMCB a good diversifier for BOW?

By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.

What does a correlation of -0.26 mean?

A reading of -0.26 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/bow-vs-pmcb.json

BOW vs PMCB: 3-year weekly correlation -0.26BOW vs PMCB-0.26

Embed this badge (it refreshes with the data), with attribution:

[![BOW vs PMCB correlation](https://www.pairbook.io/api/v1/badge/bow-vs-pmcb.svg)](https://www.pairbook.io/pair/bow-vs-pmcb/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: BOW correlations · PMCB correlations