Both in Surgical Instruments

Alphatec Holdings vs Tandem Diabetes Care

Over the past year ATEC returned −61.3% and TNDM returned +22.9%; their daily moves had a correlation of 0.21.

ATEC −61.3% TNDM +22.9%Growth of $1, one year, split-adjusted
MetricATECTNDM
Price$7.47$17.65
Market cap$1.15B$1.23B
Today+2.19%−5.46%
1 month−30.3%+6.8%
6 months−27.0%−9.1%
Year to date−64.5%−19.7%
1 year−60.7%+26.1%
Revenue growth (YoY)+12.6%+5.8%
Gross margin71.5%56.9%
Net margin−2.5%−8.3%
P/E (TTM)——
Price / sales1.4×1.2×
Net cash-$467.1M-$146.6M
Dividend yield——
Volatility (60d)112.7%51.1%
Short % of float10.7%21.9%
Next earnings——

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