Both in Medical Labs

Castle Biosciences vs Personalis

Over the past year CSTL returned +43.0% and PSNL returned +75.8%; their daily moves had a correlation of 0.39.

CSTL +43.0% PSNL +75.8%Growth of $1, one year, split-adjusted
MetricCSTLPSNL
Price$37.16$15.82
Market cap$1.14B$1.69B
Today−3.51%−0.66%
1 month+5.4%−2.2%
6 months+49.8%+173.7%
Year to date−4.5%+98.7%
1 year+56.5%+65.7%
Revenue growth (YoY)+20.1%+30.0%
Gross margin77.1%21.2%
Net margin−2.0%−141.7%
P/E (TTM)——
Price / sales3.2×24.3×
Net cash$256.5M$212.7M
Dividend yield——
Volatility (60d)51.1%45.2%
Short % of float7.1%10.1%
Next earnings——

Shading marks the stronger figure where one clearly exists (lower is better for valuation and volatility).