ZYXI vs STIM

For growth investors, Neuronetics, Inc.

(STIM) is the stronger pick with 99. 2% revenue growth year-over-year, versus 4. 4% for Zynex, Inc. (ZYXI). Zynex, Inc. (ZYXI) offers the better valuation at 0. 6x trailing P/E, making it the more compelling value choice. Analysts rate Neuronetics, Inc. (STIM) a "Buy" — based on 7 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Neuronetics, Inc.

(STIM) delivered a total return of -85. 5%, compared to -98. 9% for Zynex, Inc. (ZYXI). Over 10 years, the gap is even starker: ZYXI returned -29. 4% versus STIM's -93. 1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Neuronetics, Inc.

(STIM) is the lower-risk stock at 1. 90β versus Zynex, Inc. 's 4. 55β — meaning ZYXI is approximately 139% more volatile than STIM relative to the S&P 500. On balance sheet safety, Zynex, Inc. (ZYXI) carries a lower debt/equity ratio of 2% versus 3% for Neuronetics, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Neuronetics, Inc.

(STIM) is pulling ahead at 99. 2% versus 4. 4% for Zynex, Inc. (ZYXI). On earnings-per-share growth, the picture is similar: Neuronetics, Inc. grew EPS 57. 2% year-over-year, compared to -66. 7% for Zynex, Inc.. Over a 3-year CAGR, STIM leads at 31. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Zynex, Inc.

(ZYXI) is the more profitable company, earning 1. 6% net margin versus -26. 1% for Neuronetics, Inc. — meaning it keeps 1. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ZYXI leads at 3. 1% versus -21. 1% for STIM. At the gross margin level — before operating expenses — ZYXI leads at 79. 5%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

In this comparison, ZYXI (0.

5% yield) pays a dividend. STIM does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Zynex, Inc.

(ZYXI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (0. 5% yield). Neuronetics, Inc. (STIM) carries a higher beta of 1. 90 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ZYXI: -29. 4%, STIM: -93. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: ZYXI is a small-cap deep-value stock; STIM is a small-cap high-growth stock. ZYXI pays a dividend while STIM does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.