IDYA vs VRTX: Correlation
IDEAYA Biosciences, Inc. (IDYA) and Vertex Pharmaceuticals (VRTX) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IDYA and VRTX?
Over the past 3 years, IDYA and VRTX moved with a correlation of 0.46, which is moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. Over 5 years the correlation is 0.29, and the annualized covariance of weekly returns is 634.1 %².
Among the 23 assets we track against IDYA, VRTX ranks #14 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months IDYA outperformed by 26.4 percentage points (+67.1% for IDYA against +40.7% for VRTX).
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.
IDYA vs VRTX: side by side
| IDYA (IDEAYA Biosciences, Inc.) | VRTX (Vertex Pharmaceuticals) | |
|---|---|---|
| 1-year return | +67.1% | +40.7% |
| 5-year return | +82.5% | +174.5% |
| Volatility (ann.) | 45.3% | 30.3% |
| Beta vs S&P 500 | 1.37 | 0.55 |
| Max drawdown (3Y) | -69.2% | -29.1% |
| Market cap | $4.0B | $138.8B |
| P/E (trailing) | – | 31.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | IDYA | VRTX |
|---|---|---|
| 2022 | -23.1% | +31.5% |
| 2023 | +95.8% | +40.9% |
| 2024 | -27.8% | -1.0% |
| 2025 | +34.5% | +12.6% |
| 2026 | +20.8% | +20.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IDYA and VRTX good diversifiers for each other?
Reasonably. At 0.46, IDYA and VRTX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between IDYA and VRTX?
As of 2026-08-27, the correlation of weekly returns between IDYA and VRTX is 0.46 over 3 years, 0.41 over 1 year and 0.29 over 5 years.
Is VRTX a good diversifier for IDYA?
Reasonably. At 0.46, IDYA and VRTX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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/idya-vs-vrtx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/idya-vs-vrtx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IDYA correlations · VRTX correlations
