Both stocks run through our valuation models. Here is how DIO (039840) and Intuitive Surgical (ISRG) compare, as of Aug 11, 2026.
As of Aug 11, 2026, Fair Value Calculator sees DIO as the less overvalued of the two: DIO trades at KRW 12,790 versus a fair value of KRW 10,782 (-16%), while Intuitive Surgical trades at $379 versus $150 (-60%).
DIO
039840.KQ · KRW · Health Care
-16%
upside to fair value
overvalued
PriceKRW 12,790
Fair ValueKRW 10,782
Quality68/100
Intuitive Surgical
ISRG · USD · Health Care
-60%
upside to fair value
overvalued
Price$379
Fair Value$150
Quality72/100
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
DIOIntuitive Surgical
Valuation
—P/E (TTM)48.3×
—P/S (TTM)13.35×
—P/B7.92×
—EV/EBITDA35.5×
—PEG2.13×
Profitability
5%Net margin28%
5%Operating margin31%
4%Return on equity17%
2%Return on assets10%
Growth
15%Revenue growth (YoY)23%
7.7%Avg. growth/yr (3Y)17.4%
6.4%Avg. growth/yr (5Y)18.2%
Balance & size
0.13×Debt / equity—
$109MMarket cap$141B
mixedGrowth qualityhealthy
Intuitive Surgical leads: 0 to 7 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.
DIOof which business quality 63 · market factors 31Intuitive Surgicalof which business quality 71 · market factors 22
ProfitabilityMargins and returns on capital today
26
66
Quality GrowthAre margins and returns improving?
100
66
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
90
37
Low VolatilityCalm price path (market factor)
82
39
MomentumPrice trend over the last 3–12 months (market factor)
11
21
52W MomentumDistance to the 52-week high (market factor)
9
5
Net IssuanceBuybacks instead of dilution
100
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.
DIO
DCF ModelsKRW 19,749
Earnings-BasedKRW 9,200
MultiplesKRW 14,695
Asset-BasedKRW 9,977
Growth DCFKRW 18,810
Economic ProfitKRW 9,200
5 of 14 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
25 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.
DIO
Bear KRW 8,864Fair Value KRW 10,782Bull KRW 14,119
KRW 12,790 = current price (white tick)
Intuitive Surgical
Bear $110Fair Value $150Bull $239
$379 = 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.
DIO · Health Care
Quality score68 · Top 25%
Fair value upside-16% · above median
Intuitive Surgical · Health Care
Quality score72 · Top 25%
Fair value upside-60% · below median
Bottom line
As of Aug 11, 2026, Fair Value Calculator sees DIO as the less overvalued of the two: DIO trades at KRW 12,790 versus a fair value of KRW 10,782 (-16%), while Intuitive Surgical trades at $379 versus $150 (-60%).
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.
