EN DE
STOCK COMPARISON

Guangzhou Jet Bio-Filtration Co vs Intuitive Surgical: Fair Value & Quality

Both stocks run through our valuation models. Here is how Guangzhou Jet Bio-Filtration Co (688026) and Intuitive Surgical (ISRG) compare, as of Sep 25, 2026.

As of Sep 25, 2026, Fair Value Calculator sees Intuitive Surgical as the less overvalued of the two: Guangzhou Jet Bio-Filtration Co trades at ¥25.95 versus a fair value of ¥17.56 (-32%), while Intuitive Surgical trades at $400 versus $349 (-13%).
Guangzhou Jet Bio-Filtration Co
688026.SHG · CNY · Health Care
-32%
upside to fair value
overvalued
Price¥25.95
Fair Value¥17.56
Quality52/100
Intuitive Surgical
ISRG · USD · Health Care
-13%
upside to fair value
overvalued
Price$400
Fair Value$349
Quality74/100
Get comparisons like this free by email every month: the most undervalued quality stocks.

Head-to-head numbers

Green is the better side of a row, red the weaker one (for valuation multiples: lower = cheaper). Grey rows are for reference only and are not scored.

betterweakerfor reference, not scored

Guangzhou Jet Bio-Filtration CoIntuitive Surgical
Valuation
129.8×P/E (TTM)48.3×
0.97×P/S (TTM)13.65×
0.44×P/B8.10×
4.1×EV/EBITDA36.3×
n/aPEG2.13×
−32.3%Fair value upside−12.7%
0.3%Dividend yieldn/a
¥0.07Dividend per sharen/a
Profitability
8%Operating margin31%
0.37×EBIT margin trend (5Y)1.22×
2%Return on equity17%
1%Return on assets10%
Growth
-13%Revenue growth (YoY)23%
-2.5%Avg. growth/yr (3Y)17.4%
2.3%Avg. growth/yr (5Y)18.2%
−16.0%Value creation/yr+21.8%
Balance & size
2.2×Interest coverage (EBIT/interest)99.2×
0.31×Debt / equityn/a
$533MMarket cap$144B
weakGrowth qualityhealthy

Intuitive Surgical leads: 3 to 10 metric wins.

n/a = 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.

Guangzhou Jet Bio-Filtration Coof which business quality 55 · market factors 66 Intuitive Surgicalof which business quality 72 · market factors 30
ProfitabilityMargins and returns on capital today
24
66
Quality GrowthAre margins and returns improving?
21
66
CashflowEarnings quality: real cash, not paper profit
64
79
Fin. StrengthBalance sheet, leverage, solvency risk
73
82
InvestmentDisciplined investing over empire-building
58
37
Low VolatilityCalm price path (market factor)
53
39
MomentumPrice trend over the last 3–12 months (market factor)
67
27
52W MomentumDistance to the 52-week high (market factor)
80
24
Net IssuanceShare count: buybacks or dilution?
89
87

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyGuangzhou Jet Bio-Filtration CoPrice ¥25.95Intuitive SurgicalPrice $400
DCF Models-56%below the price¥11.29-46%below the price$217
Earnings-Based-77%below the price¥6.02-60%below the price$158
Dividend Discount-95%below the price¥1.38-100%below the price$0.40
Multiples-75%below the price¥6.51-64%below the price$142
Asset-Based-78%below the price¥5.81-92%below the price$33.33
Growth DCF-57%below the price¥11.18-54%below the price$184
Economic Profit-83%below the price¥4.40-74%below the price$104
Growth Earnings-66%below the price¥8.78-45%below the price$222
Minimum-95%below the price¥1.38-100%below the price$0.40
Maximum-56%below the price¥11.29-45%below the price$222
Median-76%below the price¥6.27-62%below the price$150
Geometric mean-77%below the price¥5.93-84%below the price$63.73

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Guangzhou Jet Bio-Filtration Co: 25 of 25 models see the stock below the current price.

Intuitive Surgical: 26 of 26 models see the stock below the current price.

Scenario ranges

From our cautious bear scenario to the optimistic bull scenario. The white tick is the current price (value above it), the green tick the fair value (value below it): if the price sits left of the fair value, there is room to rise.

Guangzhou Jet Bio-Filtration Co
Price ¥25.95
Fair Value ¥17.56
Bear ¥12.28Bull ¥22.82
Intuitive Surgical
Price $400
Fair Value $349
Bear $214Bull $576

Compare two other stocks

Tap a field and type again, ticker or company name.

Free, no sign-up

Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Guangzhou Jet Bio-Filtration Co · Health Care

Quality score52 · above median
Fair value upside-32% · below median

Intuitive Surgical · Health Care

Quality score74 · Top 25%
Fair value upside-13% · above median

Bottom line

As of Sep 25, 2026, Fair Value Calculator sees Intuitive Surgical as the less overvalued of the two: Guangzhou Jet Bio-Filtration Co trades at ¥25.95 versus a fair value of ¥17.56 (-32%), while Intuitive Surgical trades at $400 versus $349 (-13%).

Intuitive Surgical has the higher quality score (74/100).

Open Intuitive Surgical live analysis →

More comparisons

Popular match-ups from the same sectors, all with fair value and quality score.

Free · Top-25 report

See the undervalued quality stocks every month

Just your email for the monthly Top-25 report of the most undervalued quality stocks, with fair value, quality and price target. Plus 14 days of Pro to try, no card.

Free. You confirm by email (double opt-in) and can unsubscribe anytime in one click. Not financial advice.

A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.