Both in Measuring Instruments

Birchtech vs Owlet

Over the past year BCHT returned −54.8% and OWLT returned −63.0%; their daily moves had a correlation of 0.86.

BCHT −54.8% OWLT −63.0%Growth of $1, one year, split-adjusted
MetricBCHTOWLT
Price$1.09$4.30
Market cap$28.5M$125.7M
Today−3.98%+6.17%
1 month−27.7%−15.0%
6 months—−10.4%
Year to date—−73.4%
1 year—−54.6%
Revenue growth (YoY)—+29.9%
Gross margin27.2%64.4%
Net margin−79.6%−4.3%
P/E (TTM)——
Price / sales—1.1×
Net cash$11.8M$13.9M
Dividend yield——
Volatility (60d)—57.1%
Short % of float0.3%3.1%
Next earnings——

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