Both stocks run through our valuation models. Here is how NAN (NAN) and Intuitive Surgical (ISRG) compare, as of Aug 15, 2026.
As of Aug 15, 2026, Fair Value Calculator sees NAN as the less overvalued of the two: NAN trades at A$3.55 versus a fair value of A$2.12 (-40%), while Intuitive Surgical trades at $395 versus $150 (-62%).
NAN
NAN.AU · AUD · Health Care
-40%
upside to fair value
overvalued
PriceA$3.55
Fair ValueA$2.12
Quality71/100
Intuitive Surgical
ISRG · USD · Health Care
-62%
upside to fair value
overvalued
Price$395
Fair Value$150
Quality72/100
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
NANIntuitive Surgical
Valuation
51.7×P/E (TTM)48.3×
3.31×P/S (TTM)13.35×
3.27×P/B7.92×
21.3×EV/EBITDA35.5×
46.36×PEG2.13×
Profitability
10%Net margin28%
9%Operating margin31%
10%Return on equity17%
5%Return on assets10%
Growth
9%Revenue growth (YoY)23%
18.4%Avg. growth/yr (3Y)17.4%
14.9%Avg. growth/yr (5Y)18.2%
Balance & size
$686MMarket cap$141B
mixedGrowth qualityhealthy
Intuitive Surgical leads: 4 to 8 metric wins.
Dash = not meaningfully computable, for example with negative equity.
Quality in detail
The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.
NANof which business quality 73 · market factors 35Intuitive Surgicalof which business quality 71 · market factors 25
ProfitabilityMargins and returns on capital today
59
66
Quality GrowthAre margins and returns improving?
66
66
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
51
37
Low VolatilityCalm price path (market factor)
44
39
MomentumPrice trend over the last 3–12 months (market factor)
34
24
52W MomentumDistance to the 52-week high (market factor)
27
10
Net IssuanceBuybacks instead of dilution
79
80
What the models say
The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.
NAN
DCF ModelsA$2.48
Earnings-BasedA$2.42
MultiplesA$1.18
Asset-BasedA$0.47
Growth DCFA$2.42
Economic ProfitA$0.74
Growth EarningsA$3.21
24 of 24 models see the stock below the current price.
Intuitive Surgical
DCF Models$219
Earnings-Based$160
Dividend Discount$0.40
Multiples$144
Asset-Based$33.72
Growth DCF$185
Economic Profit$105
Growth Earnings$224
26 of 26 models see the stock below the current price.
Scenario ranges
From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.
NAN
Bear A$1.60Fair Value A$2.12Bull A$2.65
A$3.55 = current price (white tick)
Intuitive Surgical
Bear $108Fair Value $150Bull $225
$395 = current price (white tick)
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Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
NAN · Health Care
Quality score71 · Top 25%
Fair value upside-40% · below median
Intuitive Surgical · Health Care
Quality score72 · Top 25%
Fair value upside-62% · below median
Bottom line
As of Aug 15, 2026, Fair Value Calculator sees NAN as the less overvalued of the two: NAN trades at A$3.55 versus a fair value of A$2.12 (-40%), while Intuitive Surgical trades at $395 versus $150 (-62%).
Intuitive Surgical has the higher quality score (72/100).
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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.
