KRYS vs VKTX: Correlation
Krystal Biotech, Inc. (KRYS) and Viking Therapeutics, Inc. (VKTX) show a moderate relationship: their 3-year correlation of weekly returns is 0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KRYS and VKTX?
On 3 years of weekly data the KRYS/VKTX correlation comes out at 0.59, moderate. The link has loosened recently: the 1-year correlation (0.39) runs below the 3-year figure (0.59). The 5-year figure is 0.32, and annualized covariance runs at 3164.1 %².
Few assets follow KRYS as closely as VKTX, which ranks #1 of 18 tracked partners. The last year tells two different stories: KRYS led by 114.9 percentage points, +142.1% for KRYS against +27.2% for VKTX. Note the risk asymmetry: VKTX runs 2.1 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.
KRYS vs VKTX: side by side
| KRYS (Krystal Biotech, Inc.) | VKTX (Viking Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +142.1% | +27.2% |
| 5-year return | +523.2% | +417.7% |
| Volatility (ann.) | 50.8% | 105.3% |
| Beta vs S&P 500 | 0.77 | 1.66 |
| Max drawdown (3Y) | -42.3% | -78.9% |
| Market cap | $10.6B | $3.9B |
| P/E (trailing) | 44.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KRYS | VKTX |
|---|---|---|
| 2022 | +13.3% | +104.3% |
| 2023 | +56.6% | +98.0% |
| 2024 | +26.3% | +116.2% |
| 2025 | +57.4% | -12.6% |
| 2026 | +45.0% | -3.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KRYS and VKTX good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between KRYS and VKTX?
As of 2026-08-27, the correlation of weekly returns between KRYS and VKTX is 0.59 over 3 years, 0.39 over 1 year and 0.32 over 5 years.
Is VKTX a good diversifier for KRYS?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
On the −1 to +1 scale, 0.59 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.
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Hubs: KRYS correlations · VKTX correlations