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STOCK COMPARISON

Plastron Precision Co vs Merck & Company: Fair Value & Quality

Both stocks run through our valuation models. Here is how Plastron Precision Co (6185) and Merck & Company (MRK) compare, as of Sep 6, 2026.

As of Sep 6, 2026, Fair Value Calculator sees Merck & Company as the less overvalued of the two: Plastron Precision Co trades at TWD 12.75 versus a fair value of TWD 6.28 (-51%), while Merck & Company trades at $150 versus $125 (-17%).
Plastron Precision Co
6185.TWO · TWD · Information Technology
-51%
upside to fair value
overvalued
PriceTWD 12.75
Fair ValueTWD 6.28
Quality66/100
Merck & Company
MRK · USD · Health Care
-17%
upside to fair value
overvalued
Price$150
Fair Value$125
Quality70/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Plastron Precision CoMerck & Company
Valuation
58.0×P/E (TTM)43.5×
3.75×P/S (TTM)4.64×
0.96×P/B5.80×
73.3×EV/EBITDA11.4×
—PEG6.10×
−50.7%Fair value upside−16.6%
—Dividend yield2.2%
—Dividend per share$3.28
Profitability
-20%Operating margin39%
—EBIT margin trend (5Y)2.70×
0%Return on equity19%
-2%Return on assets13%
Growth
23%Revenue growth (YoY)5%
-3.6%Avg. growth/yr (3Y)3.1%
-5.8%Avg. growth/yr (5Y)9.4%
−10.3%Value creation/yr+16.0%
Balance & size
—Interest coverage (EBIT/interest)17.3×
—Debt / equity0.89×
$66MMarket cap$305B
weakGrowth qualityhealthy
Valuation multiples (P/E, P/S, P/B, EV/EBITDA) are shown but not scored here: the two companies sit in different sectors, and multiples only compare fairly between similar business models. PEG stays scored, as it relates the P/E to growth.

Merck & Company 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.

Plastron Precision Coof which business quality 67 · market factors 39 Merck & Companyof which business quality 68 · market factors 89
ProfitabilityMargins and returns on capital today
19
74
Quality GrowthAre margins and returns improving?
69
36
CashflowEarnings quality: real cash, not paper profit
59
65
Fin. StrengthBalance sheet, leverage, solvency risk
96
68
InvestmentDisciplined investing over empire-building
93
71
Low VolatilityCalm price path (market factor)
89
83
MomentumPrice trend over the last 3–12 months (market factor)
27
86
52W MomentumDistance to the 52-week high (market factor)
5
100
Net IssuanceBuybacks instead of dilution
82
91

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 familyPlastron Precision CoPrice TWD 12.75Merck & CompanyPrice $150
DCF Models-38%below the priceTWD 7.92-22%below the price$117
Earnings-Based-85%below the priceTWD 1.86-58%below the price$62.77
Dividend Discountn/a-60%below the price$60.35
Multiples-51%below the priceTWD 6.28-19%below the price$122
Asset-Based-24%below the priceTWD 9.74-91%below the price$14.27
Growth DCF-37%below the priceTWD 7.98-51%below the price$74.00
Economic Profit-27%below the priceTWD 9.26-44%below the price$83.85
Growth Earnings-63%below the priceTWD 4.70-8%close to the price$138
Minimum-85%below the priceTWD 1.86-91%below the price$14.27
Maximum-24%below the priceTWD 9.74-8%close to the price$138
Median-38%below the priceTWD 7.92-47%below the price$78.93
Geometric mean-52%below the priceTWD 6.10-53%below the price$71.25

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%.

Plastron Precision Co: 18 of 19 models see the stock below the current price.

Merck & Company: 24 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.

Plastron Precision Co
Bear TWD 4.71Fair Value TWD 6.28Bull TWD 7.84
TWD 12.75 = current price (white tick)
Merck & Company
Bear $70.92Fair Value $125Bull $188
$150 = 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.

Plastron Precision Co · Information Technology

Quality score66 · Top 25%
Fair value upside-51% · below median

Merck & Company · Health Care

Quality score70 · Top 25%
Fair value upside-17% · above median

Bottom line

As of Sep 6, 2026, Fair Value Calculator sees Merck & Company as the less overvalued of the two: Plastron Precision Co trades at TWD 12.75 versus a fair value of TWD 6.28 (-51%), while Merck & Company trades at $150 versus $125 (-17%).

Merck & Company has the higher quality score (70/100).

See the full analysis →
Plastron Precision Co · Merck & Company

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