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Stock Comparison

IRBT vs TTI vs NVCR vs NCSM

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

Live fundamentals10-year financials5-year price chart
IRBT
iRobot Corporation

Furnishings, Fixtures & Appliances

Consumer CyclicalNASDAQ • US
Market Cap$2M
5Y Perf.-99.9%
TTI
TETRA Technologies, Inc.

Oil & Gas Equipment & Services

EnergyNYSE • US
Market Cap$1.32B
5Y Perf.+3354.5%
NVCR
NovoCure Limited

Medical - Instruments & Supplies

HealthcareNASDAQ • JE
Market Cap$1.92B
5Y Perf.-81.6%
NCSM
NCS Multistage Holdings, Inc.

Oil & Gas Equipment & Services

EnergyNASDAQ • US
Market Cap$105M
5Y Perf.+283.5%

IRBT vs TTI vs NVCR vs NCSM — Key Financials

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

Company Snapshot
IRBT logoIRBT
TTI logoTTI
NVCR logoNVCR
NCSM logoNCSM
IndustryFurnishings, Fixtures & AppliancesOil & Gas Equipment & ServicesMedical - Instruments & SuppliesOil & Gas Equipment & Services
Market Cap$2M$1.32B$1.92B$105M
Revenue (TTM)$547M$630M$674M$180M
Net Income (TTM)$-209M$7M$-173M$19M
Gross Margin22.0%24.6%75.2%36.7%
Operating Margin-29.5%8.4%-27.2%5.2%
Forward P/E37.9x11.8x
Total Debt$227M$263M$290M$13M
Cash & Equiv.$134M$45M$103M$37M

IRBT vs TTI vs NVCR vs NCSMLong-Term Stock Performance

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

IRBT
TTI
NVCR
NCSM
StockMay 20Feb 26Return
iRobot Corporation (IRBT)1000.1-99.9%
TETRA Technologies,… (TTI)1003454.5+3354.5%
NovoCure Limited (NVCR)10018.4-81.6%
NCS Multistage Hold… (NCSM)100383.5+283.5%

Price return only. Dividends and distributions are not included.

Quick Verdict: IRBT vs TTI vs NVCR vs NCSM

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

Bottom line: NCSM leads in 5 of 7 categories, making it the strongest pick for growth and revenue expansion and valuation and capital efficiency. TETRA Technologies, Inc. is the stronger pick specifically for recent price momentum and sentiment. This set spans 3 sectors — these stocks serve different portfolio roles, not just different price points.
IRBT
iRobot Corporation
The Specific-Use Pick

IRBT plays a supporting role in this comparison — it may shine differently against other peers.

Best for: consumer cyclical exposure
TTI
TETRA Technologies, Inc.
The Long-Run Compounder

TTI is the #2 pick in this set and the best alternative if long-term compounding is your priority.

  • 96.4% 10Y total return vs NVCR's 30.3%
  • +246.3% vs IRBT's -97.7%
Best for: 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
NCSM
NCS Multistage Holdings, Inc.
The Income Pick

NCSM carries the broadest edge in this set and is the clearest fit for income & stability and growth exposure.

  • beta 0.28
  • Rev growth 13.6%, EPS growth 239.2%, 3Y rev CAGR 5.9%
  • Lower volatility, beta 0.28, Low D/E 9.0%, current ratio 4.27x
  • Beta 0.28, current ratio 4.27x
Best for: income & stability and growth exposure
See the full category breakdown
CategoryWinnerWhy
GrowthNCSM logoNCSM13.6% revenue growth vs IRBT's -23.4%
ValueNCSM logoNCSMBetter valuation composite
Quality / MarginsNCSM logoNCSM10.8% margin vs IRBT's -38.2%
Stability / SafetyNCSM logoNCSMBeta 0.28 vs IRBT's 5.21, lower leverage
DividendsTieNone of these 4 stocks pay a meaningful dividend
Momentum (1Y)TTI logoTTI+246.3% vs IRBT's -97.7%
Efficiency (ROA)NCSM logoNCSM11.4% ROA vs IRBT's -43.3%, ROIC 7.9% vs -38.6%

IRBT vs TTI vs NVCR vs NCSM — Revenue Breakdown by Segment

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

IRBTiRobot Corporation
FY 2024
Reportable Segment
100.0%$682M
TTITETRA Technologies, Inc.
FY 2025
Product
55.7%$352M
Service
44.3%$279M
NVCRNovoCure Limited

Segment breakdown not available.

NCSMNCS Multistage Holdings, Inc.
FY 2025
Product
69.6%$128M
Service
30.4%$56M

IRBT vs TTI vs NVCR vs NCSM — Financial Metrics

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

BEST OVERALLNCSMLAGGINGNVCR

Income & Cash Flow (Last 12 Months)

Evenly matched — TTI and NVCR and NCSM each lead in 2 of 6 comparable metrics.

NVCR is the larger business by revenue, generating $674M annually — 3.8x NCSM's $180M. NCSM is the more profitable business, keeping 10.8% of every revenue dollar as net income compared to IRBT's -38.2%. On growth, NVCR holds the edge at +12.3% YoY revenue growth, suggesting stronger near-term business momentum.

MetricIRBT logoIRBTiRobot CorporationTTI logoTTITETRA Technologie…NVCR logoNVCRNovoCure LimitedNCSM logoNCSMNCS Multistage Ho…
RevenueTrailing 12 months$547M$630M$674M$180M
EBITDAEarnings before interest/tax-$151M$90M-$165M$15M
Net IncomeAfter-tax profit-$209M$7M-$173M$19M
Free Cash FlowCash after capex-$107M$3M-$48M$24M
Gross MarginGross profit ÷ Revenue+22.0%+24.6%+75.2%+36.7%
Operating MarginEBIT ÷ Revenue-29.5%+8.4%-27.2%+5.2%
Net MarginNet income ÷ Revenue-38.2%+1.2%-25.7%+10.8%
FCF MarginFCF ÷ Revenue-19.6%+0.4%-7.1%+13.2%
Rev. Growth (YoY)Latest quarter vs prior year-24.6%-0.6%+12.3%-8.7%
EPS Growth (YoY)Latest quarter vs prior year-195.2%+100.0%-100.0%-109.3%
Evenly matched — TTI and NVCR and NCSM each lead in 2 of 6 comparable metrics.

Valuation Metrics

NCSM leads this category, winning 3 of 6 comparable metrics.

At 4.6x trailing earnings, NCSM trades at a 99% valuation discount to TTI's 439.9x P/E. On an enterprise value basis, NCSM's 4.6x EV/EBITDA is more attractive than TTI's 15.9x.

MetricIRBT logoIRBTiRobot CorporationTTI logoTTITETRA Technologie…NVCR logoNVCRNovoCure LimitedNCSM logoNCSMNCS Multistage Ho…
Market CapShares × price$2M$1.3B$1.9B$105M
Enterprise ValueMkt cap + debt − cash$95M$1.5B$2.1B$81M
Trailing P/EPrice ÷ TTM EPS-0.01x439.86x-13.80x4.60x
Forward P/EPrice ÷ next-FY EPS est.37.91x11.82x
PEG RatioP/E ÷ EPS growth rate
EV / EBITDAEnterprise value multiple15.93x4.57x
Price / SalesMarket cap ÷ Revenue0.00x2.09x2.92x0.57x
Price / BookPrice ÷ Book value/share0.03x4.67x5.51x0.76x
Price / FCFMarket cap ÷ FCF67.62x4.98x
NCSM leads this category, winning 3 of 6 comparable metrics.

Profitability & Efficiency

NCSM leads this category, winning 7 of 9 comparable metrics.

NCSM delivers a 14.4% return on equity — every $100 of shareholder capital generates $14 in annual profit, vs $-113 for IRBT. NCSM carries lower financial leverage with a 0.09x debt-to-equity ratio, signaling a more conservative balance sheet compared to IRBT's 3.71x. On the Piotroski fundamental quality scale (0–9), NCSM scores 6/9 vs IRBT's 3/9, reflecting solid financial health.

MetricIRBT logoIRBTiRobot CorporationTTI logoTTITETRA Technologie…NVCR logoNVCRNovoCure LimitedNCSM logoNCSMNCS Multistage Ho…
ROE (TTM)Return on equity-112.9%+2.5%-50.8%+14.4%
ROA (TTM)Return on assets-43.3%+1.1%-16.5%+11.4%
ROICReturn on invested capital-38.6%+9.5%-16.4%+7.9%
ROCEReturn on capital employed-27.7%+9.7%-28.9%+8.4%
Piotroski ScoreFundamental quality 0–93456
Debt / EquityFinancial leverage3.71x0.93x0.85x0.09x
Net DebtTotal debt minus cash$93M$218M$187M-$24M
Cash & Equiv.Liquid assets$134M$45M$103M$37M
Total DebtShort + long-term debt$227M$263M$290M$13M
Interest CoverageEBIT ÷ Interest expense-3.36x2.96x-96.80x28.21x
NCSM leads this category, winning 7 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

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

A $10,000 investment in TTI five years ago would be worth $28,304 today (with dividends reinvested), compared to $6 for IRBT. Over the past 12 months, TTI leads with a +246.3% total return vs IRBT's -97.7%. The 3-year compound annual growth rate (CAGR) favors TTI at 48.9% vs IRBT's -88.8% — a key indicator of consistent wealth creation.

MetricIRBT logoIRBTiRobot CorporationTTI logoTTITETRA Technologie…NVCR logoNVCRNovoCure LimitedNCSM logoNCSMNCS Multistage Ho…
YTD ReturnYear-to-date-55.0%-0.3%+28.3%+0.5%
1-Year ReturnPast 12 months-97.7%+246.3%+1.1%+28.1%
3-Year ReturnCumulative with dividends-99.9%+229.9%-75.7%+104.9%
5-Year ReturnCumulative with dividends-99.9%+183.0%-91.3%+51.4%
10-Year ReturnCumulative with dividends-99.9%+96.4%+30.3%-90.0%
CAGR (3Y)Annualised 3-year return-88.8%+48.9%-37.6%+27.0%
TTI leads this category, winning 5 of 6 comparable metrics.

Risk & Volatility

Evenly matched — NVCR and NCSM each lead in 1 of 2 comparable metrics.

NCSM is the less volatile stock with a 0.28 beta — it tends to amplify market swings less than IRBT's 5.21 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. NVCR currently trades 83.9% from its 52-week high vs IRBT's 0.9% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricIRBT logoIRBTiRobot CorporationTTI logoTTITETRA Technologie…NVCR logoNVCRNovoCure LimitedNCSM logoNCSMNCS Multistage Ho…
Beta (5Y)Sensitivity to S&P 5005.31x1.44x2.15x0.16x
52-Week HighHighest price in past year$6.10$12.54$20.06$87.36
52-Week LowLowest price in past year$0.04$2.63$9.82$28.64
% of 52W HighCurrent price vs 52-week peak+0.9%+77.9%+83.9%+45.6%
RSI (14)Momentum oscillator 0–10033.963.669.827.8
Avg Volume (50D)Average daily shares traded01.8M1.5M38K
Evenly matched — NVCR and NCSM each lead in 1 of 2 comparable metrics.

Analyst Outlook

Insufficient data to determine a leader in this category.

Analyst consensus: TTI as "Buy", NVCR as "Buy". Consensus price targets imply 99.0% upside for NVCR (target: $34) vs 25.4% for TTI (target: $12).

MetricIRBT logoIRBTiRobot CorporationTTI logoTTITETRA Technologie…NVCR logoNVCRNovoCure LimitedNCSM logoNCSMNCS Multistage Ho…
Analyst RatingConsensus buy/hold/sellBuyBuy
Price TargetConsensus 12-month target$12.25$33.50
# AnalystsCovering analysts3115
Dividend YieldAnnual dividend ÷ price
Dividend StreakConsecutive years of raises1
Dividend / ShareAnnual DPS
Buyback YieldShare repurchases ÷ mkt cap0.0%0.0%0.0%+0.3%
Insufficient data to determine a leader in this category.
Key Takeaway

NCSM leads in 2 of 6 categories (Valuation Metrics, Profitability & Efficiency). TTI leads in 1 (Total Returns). 2 tied.

Best OverallNCS Multistage Holdings, In… (NCSM)Leads 2 of 6 categories
Loading custom metrics...

IRBT vs TTI vs NVCR vs NCSM: Key Questions Answered

10 questions · data-driven answers · updated daily

01

Is IRBT or TTI or NVCR or NCSM a better buy right now?

For growth investors, NCS Multistage Holdings, Inc.

(NCSM) is the stronger pick with 13. 6% revenue growth year-over-year, versus -23. 4% for iRobot Corporation (IRBT). NCS Multistage Holdings, Inc. (NCSM) offers the better valuation at 4. 6x trailing P/E (11. 8x forward), making it the more compelling value choice. Analysts rate TETRA Technologies, Inc. (TTI) a "Buy" — based on 31 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 — IRBT or TTI or NVCR or NCSM?

On trailing P/E, NCS Multistage Holdings, Inc.

(NCSM) is the cheapest at 4. 6x versus TETRA Technologies, Inc. at 439. 9x. On forward P/E, NCS Multistage Holdings, Inc. is actually cheaper at 11. 8x.

03

Which is the better long-term investment — IRBT or TTI or NVCR or NCSM?

Over the past 5 years, TETRA Technologies, Inc.

(TTI) delivered a total return of +183. 0%, compared to -99. 9% for iRobot Corporation (IRBT). Over 10 years, the gap is even starker: TTI returned +96. 6% versus IRBT's -99. 9%. 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 — IRBT or TTI or NVCR or NCSM?

By beta (market sensitivity over 5 years), NCS Multistage Holdings, Inc.

(NCSM) is the lower-risk stock at 0. 16β versus iRobot Corporation's 5. 31β — meaning IRBT is approximately 3185% more volatile than NCSM relative to the S&P 500. On balance sheet safety, NCS Multistage Holdings, Inc. (NCSM) carries a lower debt/equity ratio of 9% versus 4% for iRobot Corporation — giving it more financial flexibility in a downturn.

05

Which is growing faster — IRBT or TTI or NVCR or NCSM?

By revenue growth (latest reported year), NCS Multistage Holdings, Inc.

(NCSM) is pulling ahead at 13. 6% versus -23. 4% for iRobot Corporation (IRBT). On earnings-per-share growth, the picture is similar: NCS Multistage Holdings, Inc. grew EPS 239. 2% year-over-year, compared to -97. 3% for TETRA Technologies, Inc.. Over a 3-year CAGR, NVCR leads at 6. 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 — IRBT or TTI or NVCR or NCSM?

NCS Multistage Holdings, Inc.

(NCSM) is the more profitable company, earning 12. 9% net margin versus -21. 3% for iRobot Corporation — meaning it keeps 12. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: TTI leads at 9. 4% versus -23. 5% for NVCR. At the gross margin level — before operating expenses — NVCR leads at 74. 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 IRBT or TTI or NVCR or NCSM more undervalued right now?

On forward earnings alone, NCS Multistage Holdings, Inc.

(NCSM) trades at 11. 8x forward P/E versus 37. 9x for TETRA Technologies, Inc. — 26. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for NVCR: 99. 0% to $33. 50.

08

Which pays a better dividend — IRBT or TTI or NVCR or NCSM?

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

09

Is IRBT or TTI or NVCR or NCSM better for a retirement portfolio?

For long-horizon retirement investors, NCS Multistage Holdings, Inc.

(NCSM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 16)). iRobot Corporation (IRBT) carries a higher beta of 5. 31 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (NCSM: -89. 9%, IRBT: -99. 9%), 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 IRBT and TTI and NVCR and NCSM?

These companies operate in different sectors (IRBT (Consumer Cyclical) and TTI (Energy) and NVCR (Healthcare) and NCSM (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: IRBT is a small-cap quality compounder stock; TTI is a small-cap quality compounder stock; NVCR is a small-cap quality compounder stock; NCSM is a small-cap deep-value stock. 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.

Find Stocks Like These

Explore pre-built screens for each stock's profile, or build a custom screen to find stocks that outperform all of them.

Stocks Like

IRBT

Quality Business

  • Sector: Consumer Cyclical
  • Market Cap > $100B
  • Gross Margin > 13%
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TTI

Quality Business

  • Sector: Energy
  • Market Cap > $100B
  • Gross Margin > 14%
Run This Screen
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NVCR

Quality Business

  • Sector: Healthcare
  • Market Cap > $100B
  • Revenue Growth > 6%
  • Gross Margin > 45%
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NCSM

Quality Business

  • Sector: Energy
  • Market Cap > $100B
  • Net Margin > 6%
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Beat Both

Find stocks that outperform IRBT and TTI and NVCR and NCSM on the metrics below

Revenue Growth>
%
(IRBT: -24.6% · TTI: -0.6%)

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