Amphenol or Celestica: Which Stock Has More Upside?
Celestica has pulled back -10% so far this year. You may be tempted to buy more, or may want to reduce your exposure. But there is an entirely different perspective you might be missing. Is there a better alternative? Turns out, its peer Amphenol gives you more. Amphenol (APH) stock offers superior revenue growth across key periods, better profitability, and relatively lower valuation vs Celestica (CLS) stock, suggesting you may be better off investing in APH
- APH’s quarterly revenue growth was 49.1%, vs. CLS’s 43.6%.
- In addition, its Last 12 Months revenue growth came in at 51.7%, ahead of CLS’s 28.5%.
- APH leads on profitability over both periods – LTM margin of 25.9% and 3-year average of 22.7%.
These differences become even clearer when you look at the financials side by side. The table highlights how CLS’s fundamentals stack up against those of APH on growth, margins, momentum, and valuation multiples.
Valuation & Performance Overview
| CLS | APH | Preferred | |
|---|---|---|---|
| Valuation | |||
| P/EBIT Ratio | 28.6 | 27.6 | APH |
| Revenue Growth | |||
| Last Quarter | 43.6% | 49.1% | APH |
| Last 12 Months | 28.5% | 51.7% | APH |
| Last 3 Year Average | 19.8% | 24.1% | APH |
| Operating Margins | |||
| Last 12 Months | 8.6% | 25.9% | APH |
| Last 3 Year Average | 6.5% | 22.7% | APH |
Note: For “Last 3 Year Return” metric, preferred stock is one with higher returns unless the returns are too high (>300%) which creates risk of sell off.
See more revenue details: CLS Revenue Comparison | APH Revenue Comparison
See more margin details: CLS Operating Income Comparison | APH Operating Income Comparison
See detailed fundamentals on Buy or Sell APH Stock and Buy or Sell CLS Stock. Below we compare market return and related metrics across years.
Historical Market Performance
| 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Total [1] | Avg | Best | |
|---|---|---|---|---|---|---|---|---|---|
| Returns | |||||||||
| CLS Return | 38% | 1% | 160% | 215% | 220% | -9% | 3236% | <=== | |
| APH Return | 35% | -12% | 31% | 41% | 96% | 1% | 338% | ||
| S&P 500 Return | 27% | -19% | 24% | 23% | 16% | -1% | 81% | ||
| Monthly Win Rates [3] | |||||||||
| CLS Win Rate | 67% | 50% | 67% | 75% | 58% | 0% | 53% | ||
| APH Win Rate | 75% | 25% | 58% | 75% | 75% | 67% | 62% | <=== | |
| S&P 500 Win Rate | 75% | 42% | 67% | 75% | 67% | 33% | 60% | ||
| Max Drawdowns [4] | |||||||||
| CLS Max Drawdown | -12% | -26% | -6% | -6% | -28% | -16% | -16% | ||
| APH Max Drawdown | -8% | -28% | -4% | -5% | -15% | -6% | -11% | ||
| S&P 500 Max Drawdown | -1% | -25% | -1% | -2% | -15% | -2% | -8% | <=== | |
[1] Cumulative total returns since the beginning of 2021
[2] 2026 data is for the year up to 3/11/2026 (YTD)
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
No matter how good the numbers, stock investment is never a smooth ride. There is a risk you must factor in. Read APH Dip Buyer Analyses and CLS Dip Buyer Analyses to see how these stocks have fallen and recovered in the past.
Still not sure about CLS or APH? Consider portfolio approach.
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