Both in Surgical Instruments

AtriCure vs iRhythm Holdings

Over the past year ATRC returned +100.1% and IRTC returned −26.0%; their daily moves had a correlation of 0.45.

ATRC +100.1% IRTC −26.0%Growth of $1, one year, split-adjusted
MetricATRCIRTC
Price$65.53$134.00
Market cap$3.33B$4.42B
Today+8.48%+6.04%
1 month+22.1%+25.0%
6 months+134.0%+13.8%
Year to date+65.6%−24.5%
1 year+92.6%−27.6%
Revenue growth (YoY)+12.8%+20.1%
Gross margin77.2%72.8%
Net margin5.8%−0.2%
P/E (TTM)315.9×—
Price / sales5.9×5.4×
Net cash$106.8M-$59.8M
Dividend yield——
Volatility (60d)40.1%42.1%
Short % of float10.0%9.5%
Next earnings——

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