CLDX vs VKTX: Correlation
How closely do Celldex Therapeutics, Inc. (CLDX) and Viking Therapeutics, Inc. (VKTX) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLDX and VKTX?
Over the past 3 years, CLDX and VKTX moved with a correlation of 0.54, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.37 versus 0.54 over 3 years. Over 5 years the correlation is 0.42, and the annualized covariance of weekly returns is 3390.3 %².
Within CLDX's tracked universe of 18 assets, VKTX comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CLDX ahead by 51.8 points (+79.0% versus +27.2%). One caveat on sizing: VKTX is 1.8 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.
CLDX vs VKTX: side by side
| CLDX (Celldex Therapeutics, Inc.) | VKTX (Viking Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +79.0% | +27.2% |
| 5-year return | -21.9% | +417.7% |
| Volatility (ann.) | 59.4% | 105.3% |
| Beta vs S&P 500 | 1.48 | 1.66 |
| Max drawdown (3Y) | -70.8% | -78.9% |
| Market cap | $3.2B | $3.9B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLDX | VKTX |
|---|---|---|
| 2022 | +15.3% | +104.3% |
| 2023 | -11.0% | +98.0% |
| 2024 | -36.3% | +116.2% |
| 2025 | +7.5% | -12.6% |
| 2026 | +49.0% | -3.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLDX and VKTX good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CLDX and VKTX?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.37 over the last year and 0.42 over 5 years.
Is VKTX a good diversifier for CLDX?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
A reading of 0.54 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
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Related comparisons
Hubs: CLDX correlations · VKTX correlations
