BiOptic vs Vertex Pharmaceuticals: Fair Value & Quality
Both stocks run through our valuation models. Here is how BiOptic (6850) and Vertex Pharmaceuticals (VRTX) compare, as of Aug 10, 2026.
As of Aug 10, 2026, Fair Value Calculator sees Vertex Pharmaceuticals as the less overvalued of the two: BiOptic trades at TWD 33.30 versus a fair value of TWD 11.68 (-65%), while Vertex Pharmaceuticals trades at $496 versus $279 (-44%).
BiOptic
6850.TWO · TWD · Healthcare
-65%
upside to fair value
overvalued
PriceTWD 33.30
Fair ValueTWD 11.68
Quality49/100
Vertex Pharmaceuticals
VRTX · USD · Health Care
-44%
upside to fair value
overvalued
Price$496
Fair Value$279
Quality79/100
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
BiOpticVertex Pharmaceuticals
Valuation
850.0×P/E (TTM)28.8×
—P/S (TTM)10.06×
0.08×P/B6.59×
—EV/EBITDA23.8×
—PEG1.72×
Profitability
0%Net margin36%
0%Operating margin38%
—Return on equity24%
0%Return on assets12%
Growth
0%Revenue growth (YoY)8%
4.2%Avg. growth/yr (3Y)10.6%
17.1%Avg. growth/yr (5Y)14.2%
Balance & size
0.17×Debt / equity0.03×
$35MMarket cap$123B
mixedGrowth qualityhealthy
Vertex Pharmaceuticals leads: 2 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.
BiOpticof which business quality 50 · market factors 30Vertex Pharmaceuticalsof which business quality 77 · market factors 65
ProfitabilityMargins and returns on capital today
35
72
Quality GrowthAre margins and returns improving?
12
65
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
65
58
Low VolatilityCalm price path (market factor)
63
86
MomentumPrice trend over the last 3–12 months (market factor)
22
54
52W MomentumDistance to the 52-week high (market factor)
8
59
Net IssuanceBuybacks instead of dilution
26
82
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.
BiOptic
DCF ModelsTWD 13.04
Earnings-BasedTWD 5.59
Dividend DiscountTWD 2.16
MultiplesTWD 11.68
Asset-BasedTWD 9.11
Growth DCFTWD 10.51
Economic ProfitTWD 7.16
Growth EarningsTWD 10.41
26 of 26 models see the stock below the current price.
Vertex Pharmaceuticals
DCF Models$453
Earnings-Based$516
Dividend Discount$7.07
Multiples$278
Asset-Based$49.27
Growth DCF$348
Economic Profit$254
Growth Earnings$692
18 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.
BiOptic
Bear TWD 8.48Fair Value TWD 11.68Bull TWD 14.60
TWD 33.30 = current price (white tick)
Vertex Pharmaceuticals
Bear $210Fair Value $279Bull $900
$496 = 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.
BiOptic · Healthcare
Quality score49 · below median
Fair value upside-65% · below median
Vertex Pharmaceuticals · Health Care
Quality score79 · Top 25%
Fair value upside-44% · below median
Bottom line
As of Aug 10, 2026, Fair Value Calculator sees Vertex Pharmaceuticals as the less overvalued of the two: BiOptic trades at TWD 33.30 versus a fair value of TWD 11.68 (-65%), while Vertex Pharmaceuticals trades at $496 versus $279 (-44%).
Vertex Pharmaceuticals has the higher quality score (79/100).
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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.
