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PDSB vs YYAI: Correlation

How closely do PDS Biotechnology Corporation (PDSB) and AiRWA Inc. (YYAI) trade together? Their weekly returns over three years give a correlation of -0.38, which is negative.

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

Correlation (3Y)
-0.38
negative
Correlation (1Y)
-0.54
last 12 months
Correlation (5Y)
-0.30
long-run
Ann. covariance
-31066.4
%² · weekly, annualized

How correlated are PDSB and YYAI?

On 3 years of weekly data the PDSB/YYAI correlation comes out at -0.38, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.54 versus -0.38 over 3 years. The 5-year figure is -0.30, and annualized covariance runs at -31066.4 %².

YYAI is close to the least connected end of PDSB's tracked universe, ranking #8 of 10. Correlation aside, the last 12 months split them widely, with PDSB ahead by 17.0 points (-83.0% versus -100.0%). Note the risk asymmetry: YYAI runs 8.7 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.

PDSB vs YYAI: side by side

PDSB (PDS Biotechnology Corporation)YYAI (AiRWA Inc.)
1-year return-83.0%-100.0%
5-year return-98.5%-100.0%
Volatility (ann.)97.2%848.8%
Beta vs S&P 5002.90-0.53
Max drawdown (3Y)-96.9%-100.0%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PDSB -96.9% vs -100.0%Higher 5y return: PDSB -98.5% vs -100.0%
-100%0%+48%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PDSB · YYAI

Year-by-year returns

YearPDSBYYAI
2022+63.0%-98.6%
2023-62.3%-97.8%
2024-67.2%-69.5%
2025-52.8%-98.7%
2026-71.7%-96.9%

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

Are PDSB and YYAI good diversifiers for each other?

Yes: at -0.38, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between PDSB and YYAI?

The PDSB/YYAI correlation stands at -0.38 on a 3-year window (1 year: -0.54, 5 years: -0.30), computed from weekly returns as of 2026-08-27.

Is YYAI a good diversifier for PDSB?

Yes: at -0.38, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.38 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

PDSB vs YYAI: 3-year weekly correlation -0.38PDSB vs YYAI-0.38

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Hubs: PDSB correlations · YYAI correlations