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STOCK COMPARISON

Amphenol vs OSI Systems: Fair Value & Quality

Both stocks run through our valuation models. Here is how Amphenol (APH) and OSI Systems (OSIS) compare, as of Sep 24, 2026.

As of Sep 24, 2026, Fair Value Calculator sees Amphenol as the more attractively valued of the two: Amphenol trades at $82.19 versus a fair value of $91.12 (+11%), while OSI Systems trades at $203 versus $160 (-21%).
Amphenol
APH · USD · Information Technology
+11%
upside to fair value
undervalued
Price$82.19
Fair Value$91.12
Quality68/100
OSI Systems
OSIS · USD · Information Technology
-21%
upside to fair value
overvalued
Price$203
Fair Value$160
Quality55/100
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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

AmphenolOSI Systems
Valuation
23.6×P/E (TTM)23.4×
7.18×P/S (TTM)1.93×
13.87×P/B3.67×
23.2×EV/EBITDA14.5×
1.29×PEG1.55×
+10.9%Fair value upside−21.0%
1.0%Dividend yieldn/a
$0.83Dividend per sharen/a
Profitability
27%Operating margin13%
1.35×EBIT margin trend (5Y)1.41×
37%Return on equity17%
13%Return on assets6%
Growth
58%Revenue growth (YoY)2%
22.3%Avg. growth/yr (3Y)13.1%
21.8%Avg. growth/yr (5Y)8.0%
+24.5%Value creation/yr+16.7%
Balance & size
16.2×Interest coverage (EBIT/interest)6.4×
1.09×Debt / equity0.49×
$186BMarket cap$3B
healthyGrowth qualitymixed

Amphenol leads: 9 to 6 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.

Amphenolof which business quality 67 · market factors 58 OSI Systemsof which business quality 53 · market factors 24
ProfitabilityMargins and returns on capital today
67
51
Quality GrowthAre margins and returns improving?
70
48
CashflowEarnings quality: real cash, not paper profit
72
27
Fin. StrengthBalance sheet, leverage, solvency risk
78
59
InvestmentDisciplined investing over empire-building
29
49
Low VolatilityCalm price path (market factor)
37
40
MomentumPrice trend over the last 3–12 months (market factor)
63
21
52W MomentumDistance to the 52-week high (market factor)
75
11
Net IssuanceShare count: buybacks or dilution?
71
93

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 $82.19OSI SystemsPrice $203
DCF Models+22%above the price$100-13%close to the price$177
Earnings-Based-42%below the price$47.38-57%below the price$88.02
Dividend Discount-86%below the price$11.48n/a
Multiples-4%close to the price$78.76+1%close to the price$204
Asset-Based-91%below the price$7.30-81%below the price$38.66
Growth DCF+3%close to the price$84.28-46%below the price$110
Economic Profit-45%below the price$45.51-52%below the price$96.44
Growth Earnings+2%close to the price$83.60-12%close to the price$179
Minimum-91%below the price$7.30-81%below the price$38.66
Maximum+22%above the price$100+1%close to the price$204
Median-23%below the price$63.07-46%below the price$110
Geometric mean-49%below the price$42.19-44%below the price$113

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.

OSI Systems: 18 of 24 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.

Amphenol
Price $82.19
Fair Value $91.12
Bear $57.40Bull $145
OSI Systems
Price $203
Fair Value $160
Bear $77.73Bull $233

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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+11% · above median

OSI Systems · Information Technology

Quality score55 · above median
Fair value upside-21% · below median

Bottom line

As of Sep 24, 2026, Fair Value Calculator sees Amphenol as the more attractively valued of the two: Amphenol trades at $82.19 versus a fair value of $91.12 (+11%), while OSI Systems trades at $203 versus $160 (-21%).

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.