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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

Correlation (3Y)
0.59
moderate
Correlation (1Y)
0.39
last 12 months
Correlation (5Y)
0.32
long-run
Ann. covariance
3164.1
%² · weekly, annualized

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 5000.771.66
Max drawdown (3Y)-42.3%-78.9%
Market cap$10.6B$3.9B
P/E (trailing)44.7
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: KRYS -42.3% vs -78.9%Higher 5y return: KRYS +523.2% vs +417.7%
-8%0%+150%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. KRYS · VKTX

Year-by-year returns

YearKRYSVKTX
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.

Use this data

JSON API · no key required
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KRYS vs VKTX: 3-year weekly correlation 0.59KRYS vs VKTX0.59

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Hubs: KRYS correlations · VKTX correlations