Semler Scientific (OTCMKTS:SMLR) versus Zynex (OTCMKTS:ZYXI) Head-To-Head Survey

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Semler Scientific (OTCMKTS:SMLR) and Zynex (OTCMKTS:ZYXI) are both small-cap medical companies, but which is the superior investment? We will contrast the two businesses based on the strength of their earnings, profitability, analyst recommendations, valuation, institutional ownership, dividends and risk.

Risk and Volatility

Semler Scientific has a beta of 0.4, indicating that its stock price is 60% less volatile than the S&P 500. Comparatively, Zynex has a beta of 1.05, indicating that its stock price is 5% more volatile than the S&P 500.

Valuation and Earnings

This table compares Semler Scientific and Zynex’s revenue, earnings per share (EPS) and valuation.

Gross Revenue Price/Sales Ratio Net Income Earnings Per Share Price/Earnings Ratio
Semler Scientific $21.49 million 14.53 $5.01 million $0.66 73.26
Zynex $23.43 million 10.69 $7.36 million $0.22 35.14

Zynex has higher revenue and earnings than Semler Scientific. Zynex is trading at a lower price-to-earnings ratio than Semler Scientific, indicating that it is currently the more affordable of the two stocks.


This table compares Semler Scientific and Zynex’s net margins, return on equity and return on assets.

Net Margins Return on Equity Return on Assets
Semler Scientific 25.90% 191.41% 84.63%
Zynex 33.33% 152.81% 95.46%

Insider & Institutional Ownership

12.0% of Semler Scientific shares are held by institutional investors. Comparatively, 0.1% of Zynex shares are held by institutional investors. 13.9% of Semler Scientific shares are held by company insiders. Strong institutional ownership is an indication that endowments, hedge funds and large money managers believe a stock will outperform the market over the long term.

Analyst Recommendations

This is a summary of recent ratings and recommmendations for Semler Scientific and Zynex, as provided by MarketBeat.

Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
Semler Scientific 0 0 2 0 3.00
Zynex 0 0 1 0 3.00

Semler Scientific currently has a consensus price target of $44.00, indicating a potential downside of 9.00%. Zynex has a consensus price target of $7.00, indicating a potential downside of 9.44%. Given Semler Scientific’s higher probable upside, research analysts clearly believe Semler Scientific is more favorable than Zynex.


Semler Scientific beats Zynex on 8 of the 13 factors compared between the two stocks.

Semler Scientific Company Profile

Semler Scientific, Inc. develops, manufactures, and markets proprietary products that assist healthcare providers to evaluate and treat patients with chronic diseases in the United States. Its products include QuantaFlo, a four-minute in-office blood flow test that enables healthcare providers to use blood flow measurements as part of their examinations of a patient's vascular condition. The company's products serve cardiologists, internists, nephrologists, endocrinologists, podiatrists, and family practitioners, as well as healthcare insurance plans, integrated delivery networks, independent physician groups, and companies contracting with the healthcare industry, such as risk assessment groups. It offers its products through salespersons and distributors. Semler Scientific, Inc. was founded in 2007 and is headquartered in San Jose, California.

Zynex Company Profile

Zynex, Inc., a medical technology company, designs, manufactures, and markets electrotherapy medical devices used for pain management and rehabilitation. Its products include NexWave, a dual channel, multi-modality interferential current, transcutaneous electrical nerve stimulation, and neuromuscular electrical stimulation device; NeuroMove, an electromyography triggered electrical stimulation device; and InWave, an electrical stimulation product for the treatment of female urinary incontinence. The company also distributes private labeled products, such as electrodes for the delivery of electrical current to the body; batteries for use in electrotherapy products; Comfortrac for cervical traction; JetStream for hot/cold therapy; and LSO Back Braces for lumbar support. In addition, it develops non-invasive blood volume monitors for use in hospitals and surgery centers. The company offers its products for pain management and control; and stroke and spinal cord injury rehabilitation. It sells its products through direct and independent sales representatives primarily in the United States. Zynex, Inc. was founded in 1996 and is headquartered in Englewood, Colorado.

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