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Stock Comparison

ZYXI vs STIM vs ELMD vs NVCR

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
ZYXI
Zynex, Inc.

Medical - Distribution

HealthcareNASDAQ • US
Market Cap$2M
5Y Perf.-99.7%
STIM
Neuronetics, Inc.

Medical - Diagnostics & Research

HealthcareNASDAQ • US
Market Cap$128M
5Y Perf.+14.2%
ELMD
Electromed, Inc.

Medical - Devices

HealthcareAMEX • US
Market Cap$222M
5Y Perf.+107.1%
NVCR
NovoCure Limited

Medical - Instruments & Supplies

HealthcareNASDAQ • JE
Market Cap$1.92B
5Y Perf.-81.6%

ZYXI vs STIM vs ELMD vs NVCR — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
ZYXI logoZYXI
STIM logoSTIM
ELMD logoELMD
NVCR logoNVCR
IndustryMedical - DistributionMedical - Diagnostics & ResearchMedical - DevicesMedical - Instruments & Supplies
Market Cap$2M$128M$222M$1.92B
Revenue (TTM)$108M$152M$69M$674M
Net Income (TTM)$-74M$-37M$9M$-173M
Gross Margin71.6%48.0%78.2%75.2%
Operating Margin-62.8%-19.4%16.7%-27.2%
Forward P/E0.6x24.4x
Total Debt$74M$90M$198K$290M
Cash & Equiv.$40M$34M$15M$103M

ZYXI vs STIM vs ELMD vs NVCRLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

ZYXI
STIM
ELMD
NVCR
StockMay 20Mar 26Return
Zynex, Inc. (ZYXI)1000.3-99.7%
Neuronetics, Inc. (STIM)100114.2+14.2%
Electromed, Inc. (ELMD)100207.1+107.1%
NovoCure Limited (NVCR)10018.4-81.6%

Price return only. Dividends and distributions are not included.

Quick Verdict: ZYXI vs STIM vs ELMD vs NVCR

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: ELMD leads in 4 of 7 categories, making it the strongest pick for profitability and margin quality and capital preservation and lower volatility. Zynex, Inc. is the stronger pick specifically for valuation and capital efficiency and dividend income and shareholder returns. STIM also leads in specific categories worth noting. As sector peers, any of these can serve as alternatives in the same allocation.
ZYXI
Zynex, Inc.
The Value Play

ZYXI is the #2 pick in this set and the best alternative if value and dividends is your priority.

  • Better valuation composite
  • 0.5% yield; 1-year raise streak; the other 3 pay no meaningful dividend
Best for: value and dividends
STIM
Neuronetics, Inc.
The Growth Play

STIM is the clearest fit if your priority is growth exposure.

  • Rev growth 99.2%, EPS growth 57.2%, 3Y rev CAGR 31.8%
  • 99.2% revenue growth vs ZYXI's 4.4%
Best for: growth exposure
ELMD
Electromed, Inc.
The Income Pick

ELMD carries the broadest edge in this set and is the clearest fit for income & stability and long-term compounding.

  • beta 1.03
  • 482.6% 10Y total return vs NVCR's 30.3%
  • Lower volatility, beta 1.03, Low D/E 0.5%, current ratio 4.31x
  • Beta 1.03, current ratio 4.31x
Best for: income & stability and long-term compounding
NVCR
NovoCure Limited
The Secondary Option

NVCR lags the leaders in this set but could rank higher in a more targeted comparison.

Best for: healthcare exposure
See the full category breakdown
CategoryWinnerWhy
GrowthSTIM logoSTIM99.2% revenue growth vs ZYXI's 4.4%
ValueZYXI logoZYXIBetter valuation composite
Quality / MarginsELMD logoELMD13.1% margin vs ZYXI's -68.4%
Stability / SafetyELMD logoELMDBeta 1.03 vs ZYXI's 4.55, lower leverage
DividendsZYXI logoZYXI0.5% yield; 1-year raise streak; the other 3 pay no meaningful dividend
Momentum (1Y)ELMD logoELMD+22.1% vs ZYXI's -97.4%
Efficiency (ROA)ELMD logoELMD16.4% ROA vs ZYXI's -82.4%, ROIC 25.6% vs 6.1%

ZYXI vs STIM vs ELMD vs NVCR — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

ZYXIZynex, Inc.
FY 2024
Supplies
69.0%$133M
Device
31.0%$60M
STIMNeuronetics, Inc.
FY 2025
Clinical Services Segment
58.3%$87M
Medical Device Segment
41.7%$62M
ELMDElectromed, Inc.
FY 2024
Home Care
50.4%$841,000
Other
49.6%$826,000
NVCRNovoCure Limited

Segment breakdown not available.

ZYXI vs STIM vs ELMD vs NVCR — Financial Metrics

Side-by-side numbers across 4 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLELMDLAGGINGNVCR

Income & Cash Flow (Last 12 Months)

ELMD leads this category, winning 6 of 6 comparable metrics.

NVCR is the larger business by revenue, generating $674M annually — 9.8x ELMD's $69M. ELMD is the more profitable business, keeping 13.1% of every revenue dollar as net income compared to ZYXI's -68.4%. On growth, ELMD holds the edge at +16.3% YoY revenue growth, suggesting stronger near-term business momentum.

MetricZYXI logoZYXIZynex, Inc.STIM logoSTIMNeuronetics, Inc.ELMD logoELMDElectromed, Inc.NVCR logoNVCRNovoCure Limited
RevenueTrailing 12 months$108M$152M$69M$674M
EBITDAEarnings before interest/tax-$64M-$27M$12M-$165M
Net IncomeAfter-tax profit-$74M-$37M$9M-$173M
Free Cash FlowCash after capex-$21M-$4M$9M-$48M
Gross MarginGross profit ÷ Revenue+71.6%+48.0%+78.2%+75.2%
Operating MarginEBIT ÷ Revenue-62.8%-19.4%+16.7%-27.2%
Net MarginNet income ÷ Revenue-68.4%-24.5%+13.1%-25.7%
FCF MarginFCF ÷ Revenue-19.4%-2.6%+13.4%-7.1%
Rev. Growth (YoY)Latest quarter vs prior year-73.3%+7.8%+16.3%+12.3%
EPS Growth (YoY)Latest quarter vs prior year-20.1%+23.8%+45.5%-100.0%
ELMD leads this category, winning 6 of 6 comparable metrics.

Valuation Metrics

ZYXI leads this category, winning 4 of 5 comparable metrics.

At 0.6x trailing earnings, ZYXI trades at a 98% valuation discount to ELMD's 31.2x P/E. On an enterprise value basis, ZYXI's 3.3x EV/EBITDA is more attractive than ELMD's 19.1x.

MetricZYXI logoZYXIZynex, Inc.STIM logoSTIMNeuronetics, Inc.ELMD logoELMDElectromed, Inc.NVCR logoNVCRNovoCure Limited
Market CapShares × price$2M$128M$222M$1.9B
Enterprise ValueMkt cap + debt − cash$36M$184M$207M$2.1B
Trailing P/EPrice ÷ TTM EPS0.61x-3.12x31.23x-13.80x
Forward P/EPrice ÷ next-FY EPS est.24.42x
PEG RatioP/E ÷ EPS growth rate2.43x
EV / EBITDAEnterprise value multiple3.33x19.14x
Price / SalesMarket cap ÷ Revenue0.01x0.86x3.47x2.92x
Price / BookPrice ÷ Book value/share0.05x4.62x5.42x5.51x
Price / FCFMarket cap ÷ FCF0.14x20.06x
ZYXI leads this category, winning 4 of 5 comparable metrics.

Profitability & Efficiency

ELMD leads this category, winning 8 of 9 comparable metrics.

ELMD delivers a 19.8% return on equity — every $100 of shareholder capital generates $20 in annual profit, vs $-18 for ZYXI. ELMD carries lower financial leverage with a 0.00x debt-to-equity ratio, signaling a more conservative balance sheet compared to STIM's 3.44x. On the Piotroski fundamental quality scale (0–9), ELMD scores 7/9 vs STIM's 4/9, reflecting strong financial health.

MetricZYXI logoZYXIZynex, Inc.STIM logoSTIMNeuronetics, Inc.ELMD logoELMDElectromed, Inc.NVCR logoNVCRNovoCure Limited
ROE (TTM)Return on equity-18.1%-139.8%+19.8%-50.8%
ROA (TTM)Return on assets-82.4%-27.1%+16.4%-16.5%
ROICReturn on invested capital+6.1%-26.6%+25.6%-16.4%
ROCEReturn on capital employed+5.4%-28.5%+22.0%-28.9%
Piotroski ScoreFundamental quality 0–96475
Debt / EquityFinancial leverage2.07x3.44x0.00x0.85x
Net DebtTotal debt minus cash$34M$56M-$15M$187M
Cash & Equiv.Liquid assets$40M$34M$15M$103M
Total DebtShort + long-term debt$74M$90M$198,000$290M
Interest CoverageEBIT ÷ Interest expense-22.32x-2.43x-96.80x
ELMD leads this category, winning 8 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

ELMD leads this category, winning 5 of 6 comparable metrics.

A $10,000 investment in ELMD five years ago would be worth $27,805 today (with dividends reinvested), compared to $111 for ZYXI. Over the past 12 months, ELMD leads with a +22.1% total return vs ZYXI's -97.4%. The 3-year compound annual growth rate (CAGR) favors ELMD at 34.7% vs ZYXI's -82.1% — a key indicator of consistent wealth creation.

MetricZYXI logoZYXIZynex, Inc.STIM logoSTIMNeuronetics, Inc.ELMD logoELMDElectromed, Inc.NVCR logoNVCRNovoCure Limited
YTD ReturnYear-to-date-49.1%+27.8%-1.9%+28.3%
1-Year ReturnPast 12 months-97.4%-59.6%+22.1%+1.1%
3-Year ReturnCumulative with dividends-99.4%-16.4%+144.6%-75.7%
5-Year ReturnCumulative with dividends-98.9%-86.7%+178.1%-91.3%
10-Year ReturnCumulative with dividends-29.4%-93.4%+482.6%+30.3%
CAGR (3Y)Annualised 3-year return-82.1%-5.8%+34.7%-37.6%
ELMD leads this category, winning 5 of 6 comparable metrics.

Risk & Volatility

ELMD leads this category, winning 2 of 2 comparable metrics.

ELMD is the less volatile stock with a 1.03 beta — it tends to amplify market swings less than ZYXI's 4.55 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. ELMD currently trades 87.4% from its 52-week high vs ZYXI's 2.0% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricZYXI logoZYXIZynex, Inc.STIM logoSTIMNeuronetics, Inc.ELMD logoELMDElectromed, Inc.NVCR logoNVCRNovoCure Limited
Beta (5Y)Sensitivity to S&P 5004.55x1.90x1.03x2.20x
52-Week HighHighest price in past year$2.82$4.85$30.73$20.06
52-Week LowLowest price in past year$0.02$0.80$17.73$9.82
% of 52W HighCurrent price vs 52-week peak+2.0%+37.9%+87.4%+83.9%
RSI (14)Momentum oscillator 0–10059.559.656.569.8
Avg Volume (50D)Average daily shares traded96K2.0M41K1.5M
ELMD leads this category, winning 2 of 2 comparable metrics.

Analyst Outlook

Insufficient data to determine a leader in this category.

Analyst consensus: STIM as "Buy", ELMD as "Buy", NVCR as "Buy". Consensus price targets imply 334.8% upside for STIM (target: $8) vs 41.5% for ELMD (target: $38). ZYXI is the only dividend payer here at 0.51% yield — a key consideration for income-focused portfolios.

MetricZYXI logoZYXIZynex, Inc.STIM logoSTIMNeuronetics, Inc.ELMD logoELMDElectromed, Inc.NVCR logoNVCRNovoCure Limited
Analyst RatingConsensus buy/hold/sellBuyBuyBuy
Price TargetConsensus 12-month target$8.00$38.00$33.50
# AnalystsCovering analysts7415
Dividend YieldAnnual dividend ÷ price+0.5%
Dividend StreakConsecutive years of raises1
Dividend / ShareAnnual DPS$0.00
Buyback YieldShare repurchases ÷ mkt cap+100.0%0.0%+4.5%0.0%
Insufficient data to determine a leader in this category.
Key Takeaway

ELMD leads in 4 of 6 categories (Income & Cash Flow, Profitability & Efficiency). ZYXI leads in 1 (Valuation Metrics).

Best OverallElectromed, Inc. (ELMD)Leads 4 of 6 categories
Loading custom metrics...

ZYXI vs STIM vs ELMD vs NVCR: Key Questions Answered

10 questions · data-driven answers · updated daily

01

Is ZYXI or STIM or ELMD or NVCR a better buy right now?

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.

02

Which has the better valuation — ZYXI or STIM or ELMD or NVCR?

On trailing P/E, Zynex, Inc.

(ZYXI) is the cheapest at 0. 6x versus Electromed, Inc. at 31. 2x.

03

Which is the better long-term investment — ZYXI or STIM or ELMD or NVCR?

Over the past 5 years, Electromed, Inc.

(ELMD) delivered a total return of +178. 1%, compared to -98. 9% for Zynex, Inc. (ZYXI). Over 10 years, the gap is even starker: ELMD returned +482. 6% versus STIM's -93. 4%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

04

Which is safer — ZYXI or STIM or ELMD or NVCR?

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

(ELMD) is the lower-risk stock at 1. 03β versus Zynex, Inc. 's 4. 55β — meaning ZYXI is approximately 342% more volatile than ELMD relative to the S&P 500. On balance sheet safety, Electromed, Inc. (ELMD) carries a lower debt/equity ratio of 0% versus 3% for Neuronetics, Inc. — giving it more financial flexibility in a downturn.

05

Which is growing faster — ZYXI or STIM or ELMD or NVCR?

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.

06

Which has better profit margins — ZYXI or STIM or ELMD or NVCR?

Electromed, Inc.

(ELMD) is the more profitable company, earning 11. 8% net margin versus -26. 1% for Neuronetics, Inc. — meaning it keeps 11. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ELMD leads at 15. 1% versus -23. 5% for NVCR. 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.

07

Is ZYXI or STIM or ELMD or NVCR more undervalued right now?

Analyst consensus price targets imply the most upside for STIM: 334.

8% to $8. 00.

08

Which pays a better dividend — ZYXI or STIM or ELMD or NVCR?

In this comparison, ZYXI (0.

5% yield) pays a dividend. STIM, ELMD, NVCR do not pay a meaningful dividend and should not be held primarily for income.

09

Is ZYXI or STIM or ELMD or NVCR better for a retirement portfolio?

For long-horizon retirement investors, Electromed, Inc.

(ELMD) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 03), +482. 6% 10Y return). NovoCure Limited (NVCR) carries a higher beta of 2. 20 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ELMD: +482. 6%, NVCR: +30. 3%), 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.

10

What are the main differences between ZYXI and STIM and ELMD and NVCR?

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; ELMD is a small-cap high-growth stock; NVCR is a small-cap quality compounder stock. ZYXI pays a dividend while STIM, ELMD, NVCR do 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.

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