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STOCK COMPARISON

Amphenol vs Plexus: Fair Value & Quality

Both stocks run through our valuation models. Here is how Amphenol (APH) and Plexus (PLXS) compare, as of Sep 5, 2026.

As of Sep 5, 2026, Fair Value Calculator sees Amphenol as the more attractively valued of the two: Amphenol trades at $82.07 versus a fair value of $97.19 (+18%), while Plexus trades at $242 versus $167 (-31%).
Amphenol
APH · USD · Information Technology
+18%
upside to fair value
undervalued
Price$82.07
Fair Value$97.19
Quality68/100
Plexus
PLXS · USD · Information Technology
-31%
upside to fair value
overvalued
Price$242
Fair Value$167
Quality63/100
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Head-to-head numbers

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

AmphenolPlexus
Valuation
24.3×P/E (TTM)38.1×
7.18×P/S (TTM)1.62×
13.87×P/B4.79×
23.2×EV/EBITDA22.5×
1.29×PEG2.09×
+18.4%Fair value upside−31.2%
1.0%Dividend yield
$0.83Dividend per share
Profitability
27%Operating margin5%
1.35×EBIT margin trend (5Y)1.11×
37%Return on equity13%
13%Return on assets4%
Growth
58%Revenue growth (YoY)19%
22.3%Avg. growth/yr (3Y)1.9%
21.8%Avg. growth/yr (5Y)3.5%
+28.9%Value creation/yr+9.8%
Balance & size
16.2×Interest coverage (EBIT/interest)17.4×
1.09×Debt / equity0.06×
$186BMarket cap$7B
healthyGrowth qualityhealthy

Amphenol leads: 9 to 5 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.

Amphenolof which business quality 67 · market factors 55 Plexusof which business quality 62 · market factors 68
ProfitabilityMargins and returns on capital today
67
48
Quality GrowthAre margins and returns improving?
70
54
CashflowEarnings quality: real cash, not paper profit
72
42
Fin. StrengthBalance sheet, leverage, solvency risk
78
68
InvestmentDisciplined investing over empire-building
29
83
Low VolatilityCalm price path (market factor)
38
56
MomentumPrice trend over the last 3–12 months (market factor)
74
67
52W MomentumDistance to the 52-week high (market factor)
44
83
Net IssuanceBuybacks instead of dilution
71
92

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 familyAmphenolPrice $82.07PlexusPrice $242
DCF Models+17%above the price$96.16-41%below the price$144
Earnings-Based-42%below the price$47.38-71%below the price$71.05
Dividend Discount-86%below the price$11.48-100%below the price$0.01
Multiples-4%close to the price$78.76-40%below the price$145
Asset-Based-91%below the price$7.30-85%below the price$36.42
Growth DCF-1%close to the price$80.84-51%below the price$118
Economic Profit-45%below the price$45.51-68%below the price$76.74
Growth Earnings+2%close to the price$83.60-46%below the price$131
Minimum-91%below the price$7.30-100%below the price$0.01
Maximum+17%above the price$96.16-40%below the price$145
Median-23%below the price$63.07-60%below the price$97.61
Geometric mean-49%below the price$41.76-88%below the price$29.93

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%.

Amphenol: 14 of 26 models see the stock below the current price.

Plexus: 25 of 25 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.

Amphenol
Bear $51.05Fair Value $97.19Bull $121
$82.07 = current price (white tick)
Plexus
Bear $97.98Fair Value $167Bull $226
$242 = 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.

Amphenol · Information Technology

Quality score68 · Top 25%
Fair value upside+18% · above median

Plexus · Information Technology

Quality score63 · above median
Fair value upside-31% · below median

Bottom line

As of Sep 5, 2026, Fair Value Calculator sees Amphenol as the more attractively valued of the two: Amphenol trades at $82.07 versus a fair value of $97.19 (+18%), while Plexus trades at $242 versus $167 (-31%).

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

See the full analysis →

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