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STOCK COMPARISON

TA-I Technology Co vs Amphenol: Fair Value & Quality

Both stocks run through our valuation models. Here is how TA-I Technology Co (2478) 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: TA-I Technology Co trades at TWD 120 versus a fair value of TWD 62.40 (-48%), while Amphenol trades at $82.19 versus $91.12 (+11%).
TA-I Technology Co
2478.TW · TWD · Information Technology
-48%
upside to fair value
overvalued
PriceTWD 120
Fair ValueTWD 62.40
Quality62/100
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

TA-I Technology CoAmphenol
Valuation
34.8×P/E (TTM)23.8×
3.86×P/S (TTM)7.18×
3.05×P/B13.87×
18.0×EV/EBITDA23.2×
n/aPEG1.29×
−48.0%Fair value upside+10.9%
1.7%Dividend yield1.0%
TWD 2.00Dividend per share$0.83
Profitability
13%Operating margin27%
0.85×EBIT margin trend (5Y)1.35×
7%Return on equity37%
4%Return on assets13%
Growth
10%Revenue growth (YoY)58%
2.6%Avg. growth/yr (3Y)22.3%
0.1%Avg. growth/yr (5Y)21.8%
−4.3%Value creation/yr+24.5%
Balance & size
38.3×Interest coverage (EBIT/interest)16.2×
0.13×Debt / equity1.09×
$672MMarket cap$186B
weakGrowth qualityhealthy

Amphenol leads: 6 to 9 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.

TA-I Technology Coof which business quality 62 · market factors 53 Amphenolof which business quality 67 · market factors 48
ProfitabilityMargins and returns on capital today
35
67
Quality GrowthAre margins and returns improving?
54
70
CashflowEarnings quality: real cash, not paper profit
47
72
Fin. StrengthBalance sheet, leverage, solvency risk
90
78
InvestmentDisciplined investing over empire-building
69
29
Low VolatilityCalm price path (market factor)
18
37
MomentumPrice trend over the last 3–12 months (market factor)
67
63
52W MomentumDistance to the 52-week high (market factor)
69
35
Net IssuanceShare count: buybacks or dilution?
86
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 familyTA-I Technology CoPrice TWD 120AmphenolPrice $82.19
DCF Models-47%below the priceTWD 64.08+22%above the price$100
Earnings-Based-72%below the priceTWD 33.35-42%below the price$47.38
Dividend Discountn/a-86%below the price$11.48
Multiples-33%below the priceTWD 80.03-4%close to the price$78.76
Asset-Based-73%below the priceTWD 32.92-91%below the price$7.30
Growth DCF-62%below the priceTWD 45.41+3%close to the price$84.28
Economic Profit-62%below the priceTWD 45.10-45%below the price$45.51
Growth Earnings-33%below the priceTWD 80.58+2%close to the price$83.60
Minimum-73%below the priceTWD 32.92-91%below the price$7.30
Maximum-33%below the priceTWD 80.58+22%above the price$100
Median-62%below the priceTWD 45.41-23%below the price$63.07
Geometric mean-57%below the priceTWD 51.25-49%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%.

TA-I Technology Co: 22 of 24 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.

TA-I Technology Co
Price TWD 120
Fair Value TWD 62.40
Bear TWD 38.85Bull TWD 90.57
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.

TA-I Technology Co · Information Technology

Quality score62 · above median
Fair value upside-48% · below median

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: TA-I Technology Co trades at TWD 120 versus a fair value of TWD 62.40 (-48%), 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.