Both in Surgical Instruments

Inspire Medical Systems vs Alphatec Holdings

Over the past year INSP returned −21.6% and ATEC returned −57.4%; their daily moves had a correlation of 0.28.

INSP −21.6% ATEC −57.4%Growth of $1, one year, split-adjusted
MetricINSPATEC
Price$66.61$8.28
Market cap$1.93B$1.27B
Today+7.61%+10.84%
1 month−2.3%−21.4%
6 months+45.8%+18.5%
Year to date−27.8%−60.6%
1 year−9.6%−57.1%
Revenue growth (YoY)−7.9%+12.6%
Gross margin86.0%71.5%
Net margin−11.8%−2.5%
P/E (TTM)19.1×—
Price / sales2.2×1.5×
Net cash$328.0M-$467.1M
Dividend yield——
Volatility (60d)48.8%114.7%
Short % of float15.9%10.7%
Next earnings——

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