Both in Measuring Instruments

Mirion Technologies vs Birchtech

Over the past year MIR returned −19.5% and BCHT returned −53.3%; their daily moves had a correlation of 0.75.

MIR −19.5% BCHT −53.3%Growth of $1, one year, split-adjusted
MetricMIRBCHT
Price$17.64$1.12
Market cap$4.33B$29.5M
Today−7.40%+0.07%
1 month+8.4%−24.8%
6 months−13.5%—
Year to date−24.7%—
1 year−40.0%—
Revenue growth (YoY)+24.5%—
Gross margin47.3%27.2%
Net margin2.7%−79.6%
P/E (TTM)149.3×—
Price / sales4.0×—
Net cash-$792.9M$11.8M
Dividend yield——
Volatility (60d)54.0%—
Short % of float18.5%0.3%
Next earnings——

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