Both in Medical Labs

Personalis vs Castle Biosciences

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

PSNL +75.8% CSTL +43.0%Growth of $1, one year, split-adjusted
MetricPSNLCSTL
Price$15.82$37.16
Market cap$1.69B$1.14B
Today−0.66%−3.51%
1 month−2.2%+5.4%
6 months+173.7%+49.8%
Year to date+98.7%−4.5%
1 year+65.7%+56.5%
Revenue growth (YoY)+30.0%+20.1%
Gross margin21.2%77.1%
Net margin−141.7%−2.0%
P/E (TTM)——
Price / sales24.3×3.2×
Net cash$212.7M$256.5M
Dividend yield——
Volatility (60d)45.2%51.1%
Short % of float10.1%7.1%
Next earnings——

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