AUUD vs WST: Correlation
Auddia Inc. (AUUD) and West Pharmaceutical Services (WST) show a negative relationship: their 3-year correlation of weekly returns is -0.24.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AUUD and WST?
Over the past 3 years, AUUD and WST moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.43 versus -0.24 over 3 years. Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -1007.6 %².
Among the 19 assets we track against AUUD, WST sits near the bottom by co-movement, at rank #18. The last year tells two different stories: WST led by 135.7 percentage points, -94.6% for AUUD against +41.1% for WST. One caveat on sizing: AUUD is 2.8 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.
AUUD vs WST: side by side
| AUUD (Auddia Inc.) | WST (West Pharmaceutical Services) | |
|---|---|---|
| 1-year return | -94.6% | +41.1% |
| 5-year return | -100.0% | -22.4% |
| Volatility (ann.) | 107.6% | 38.6% |
| Beta vs S&P 500 | -0.10 | 0.86 |
| Max drawdown (3Y) | -99.9% | -53.8% |
| Market cap | – | $24.4B |
| P/E (trailing) | 0.2 | 44.8 |
| Dividend yield | 0.00% | 0.25% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | AUUD | WST |
|---|---|---|
| 2022 | -46.1% | -49.7% |
| 2023 | -74.0% | +50.0% |
| 2024 | -91.8% | -6.8% |
| 2025 | -88.8% | -15.7% |
| 2026 | -86.7% | +26.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AUUD and WST good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between AUUD and WST?
As of 2026-08-27, the correlation of weekly returns between AUUD and WST is -0.24 over 3 years, -0.43 over 1 year and -0.13 over 5 years.
Is WST a good diversifier for AUUD?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 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/auud-vs-wst.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/auud-vs-wst/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AUUD correlations · WST correlations
