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STOCK COMPARISON

Fulltech Fiber Glass vs Amphenol: Fair Value & Quality

Both stocks run through our valuation models. Here is how Fulltech Fiber Glass (1815) and Amphenol (APH) compare, as of Sep 24, 2026.

As of Sep 24, 2026, Fair Value Calculator sees Amphenol as the more attractively valued of the two: Fulltech Fiber Glass trades at TWD 120 versus a fair value of TWD 29.24 (-76%), while Amphenol trades at $82.19 versus $91.12 (+11%).
Fulltech Fiber Glass
1815.TWO · TWD · Information Technology
-76%
upside to fair value
overvalued
PriceTWD 120
Fair ValueTWD 29.24
Quality36/100
Amphenol
APH · USD · Information Technology
+11%
upside to fair value
undervalued
Price$82.19
Fair Value$91.12
Quality68/100
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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

Fulltech Fiber GlassAmphenol
Valuation
73.2×P/E (TTM)23.6×
10.76×P/S (TTM)7.18×
5.53×P/B13.87×
34.9×EV/EBITDA23.2×
n/aPEG1.29×
−75.6%Fair value upside+10.9%
n/aDividend yield1.0%
n/aDividend per share$0.83
Profitability
21%Operating margin27%
n/aEBIT margin trend (5Y)1.35×
11%Return on equity37%
4%Return on assets13%
Growth
36%Revenue growth (YoY)58%
8.7%Avg. growth/yr (3Y)22.3%
11.8%Avg. growth/yr (5Y)21.8%
+14.3%Value creation/yr+24.5%
Balance & size
5.0×Interest coverage (EBIT/interest)16.2×
0.24×Debt / equity1.09×
$2BMarket cap$186B
expensiveGrowth qualityhealthy

Amphenol leads: 2 to 11 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.

Fulltech Fiber Glassof which business quality 37 · market factors 71 Amphenolof which business quality 67 · market factors 58
ProfitabilityMargins and returns on capital today
34
67
Quality GrowthAre margins and returns improving?
73
70
CashflowEarnings quality: real cash, not paper profit
17
72
Fin. StrengthBalance sheet, leverage, solvency risk
70
78
InvestmentDisciplined investing over empire-building
19
29
Low VolatilityCalm price path (market factor)
42
37
MomentumPrice trend over the last 3–12 months (market factor)
77
63
52W MomentumDistance to the 52-week high (market factor)
93
75
Net IssuanceShare count: buybacks or dilution?
0
71

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 familyFulltech Fiber GlassPrice TWD 120AmphenolPrice $82.19
DCF Modelsn/a+22%above the price$100
Earnings-Based-79%below the priceTWD 25.46-42%below the price$47.38
Dividend Discountn/a-86%below the price$11.48
Multiples-75%below the priceTWD 30.57-4%close to the price$78.76
Asset-Based-88%below the priceTWD 14.42-91%below the price$7.30
Growth DCFn/a+3%close to the price$84.28
Economic Profit-88%below the priceTWD 13.88-45%below the price$45.51
Growth Earnings-65%below the priceTWD 41.94+2%close to the price$83.60
Minimum-88%below the priceTWD 13.88-91%below the price$7.30
Maximum-65%below the priceTWD 41.94+22%above the price$100
Median-79%below the priceTWD 25.46-23%below the price$63.07
Geometric mean-81%below the priceTWD 23.07-49%below the price$42.19

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%.

Fulltech Fiber Glass: 14 of 14 models see the stock below the current price.

Amphenol: 14 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.

Fulltech Fiber Glass
Price TWD 120
Fair Value TWD 29.24
Bear TWD 21.12Bull TWD 37.37
Amphenol
Price $82.19
Fair Value $91.12
Bear $57.40Bull $145

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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.

Fulltech Fiber Glass · Information Technology

Quality score36 · bottom 25%
Fair value upside-76% · bottom 25%

Amphenol · Information Technology

Quality score68 · Top 25%
Fair value upside+11% · above median

Bottom line

As of Sep 24, 2026, Fair Value Calculator sees Amphenol as the more attractively valued of the two: Fulltech Fiber Glass trades at TWD 120 versus a fair value of TWD 29.24 (-76%), while Amphenol trades at $82.19 versus $91.12 (+11%).

Amphenol has the higher quality score (68/100).

Open Amphenol live analysis →

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