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RLYB vs VKTX: Correlation

How closely do Rallybio Corporation (RLYB) and Viking Therapeutics, Inc. (VKTX) trade together? Their weekly returns over three years give a correlation of 0.34, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.34
moderate
Correlation (1Y)
0.05
last 12 months
Correlation (5Y)
0.28
long-run
Ann. covariance
3554.5
%² · weekly, annualized

How correlated are RLYB and VKTX?

On 3 years of weekly data the RLYB/VKTX correlation comes out at 0.34, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.05 versus 0.34 over 3 years. The 5-year figure is 0.28, and annualized covariance runs at 3554.5 %².

By 3-year correlation, VKTX places #4 of the 11 assets tracked against RLYB. Correlation aside, the last 12 months split them widely, with RLYB ahead by 227.9 points (+255.1% versus +27.2%).

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.

RLYB vs VKTX: side by side

RLYB (Rallybio Corporation)VKTX (Viking Therapeutics, Inc.)
1-year return+255.1%+27.2%
5-year return-83.7%+417.7%
Volatility (ann.)99.0%105.3%
Beta vs S&P 5000.781.66
Max drawdown (3Y)-95.5%-78.9%
Market cap$0.1B$3.9B
P/E (trailing)2.1
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VKTX -78.9% vs -95.5%Higher 5y return: VKTX +417.7% vs -83.7%
-16%0%+249%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. RLYB · VKTX

Year-by-year returns

YearRLYBVKTX
2022-31.1%+104.3%
2023-63.6%+98.0%
2024-59.8%+116.2%
2025-28.5%-12.6%
2026+205.4%-3.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are RLYB and VKTX good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between RLYB and VKTX?

The RLYB/VKTX correlation stands at 0.34 on a 3-year window (1 year: 0.05, 5 years: 0.28), computed from weekly returns as of 2026-08-27.

Is VKTX a good diversifier for RLYB?

Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.34 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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RLYB vs VKTX: 3-year weekly correlation 0.34RLYB vs VKTX0.34

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Hubs: RLYB correlations · VKTX correlations