Both in Surgical Instruments

Penumbra vs Glaukos

Over the past year PEN returned +41.5% and GKOS returned +166.7%; their daily moves had a correlation of 0.13.

PEN +41.5% GKOS +166.7%Growth of $1, one year, split-adjusted
MetricPENGKOS
Price$320.02$233.04
Market cap$12.61B$13.80B
Today−0.41%−2.33%
1 month+0.9%+42.1%
6 months−1.2%+74.7%
Year to date+2.9%+106.4%
1 year+40.7%+164.6%
Revenue growth (YoY)+15.6%+58.0%
Gross margin68.3%85.2%
Net margin10.3%1.0%
P/E (TTM)80.3×—
Price / sales8.1×20.0×
Net cash$652.2M$269.8M
Dividend yield——
Volatility (60d)7.7%69.3%
Short % of float5.9%7.8%
Next earnings——

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