OI vs AMBP vs SEE vs SLGN vs ATR

For growth investors, Ardagh Metal Packaging S.

A. (AMBP) is the stronger pick with 12. 0% revenue growth year-over-year, versus -1. 6% for O-I Glass, Inc. (OI). Sealed Air Corporation (SEE) offers the better valuation at 12. 3x trailing P/E (12. 4x forward), making it the more compelling value choice. Analysts rate Sealed Air Corporation (SEE) a "Buy" — based on 27 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Sealed Air Corporation (SEE) is the cheapest at 12.

3x versus AptarGroup, Inc. at 20. 6x. On forward P/E, O-I Glass, Inc. is actually cheaper at 7. 8x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: AptarGroup, Inc. wins at 1. 71x versus Sealed Air Corporation's 9. 73x — a reasonable growth-adjusted valuation.

Over the past 5 years, Silgan Holdings Inc.

(SLGN) delivered a total return of +1. 8%, compared to -49. 1% for O-I Glass, Inc. (OI). Over 10 years, the gap is even starker: SLGN returned +80. 8% versus OI's -48. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Sealed Air Corporation (SEE) is the lower-risk stock at 0.

31β versus O-I Glass, Inc. 's 1. 09β — meaning OI is approximately 249% more volatile than SEE relative to the S&P 500. On balance sheet safety, AptarGroup, Inc. (ATR) carries a lower debt/equity ratio of 56% versus 3% for O-I Glass, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Ardagh Metal Packaging S.

A. (AMBP) is pulling ahead at 12. 0% versus -1. 6% for O-I Glass, Inc. (OI). On earnings-per-share growth, the picture is similar: Sealed Air Corporation grew EPS 89. 5% year-over-year, compared to -21. 7% for O-I Glass, Inc.. Over a 3-year CAGR, AMBP leads at 5. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

AptarGroup, Inc.

(ATR) is the more profitable company, earning 10. 4% net margin versus -2. 0% for O-I Glass, Inc. — meaning it keeps 10. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ATR leads at 13. 6% versus 5. 0% for AMBP. At the gross margin level — before operating expenses — SEE leads at 29. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, AptarGroup, Inc. (ATR) is the more undervalued stock at a PEG of 1. 71x versus Sealed Air Corporation's 9. 73x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, O-I Glass, Inc. (OI) trades at 7. 8x forward P/E versus 22. 0x for AptarGroup, Inc. — 14. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for OI: 76. 5% to $16. 40.

In this comparison, AMBP (11.

0% yield), SLGN (2. 0% yield), SEE (1. 9% yield), ATR (1. 5% yield) pay a dividend. OI does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Sealed Air Corporation (SEE) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

31), 1. 9% yield). Both have compounded well over 10 years (SEE: +4. 4%, OI: -48. 5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (OI (Consumer Cyclical) and AMBP (Consumer Cyclical) and SEE (Consumer Cyclical) and SLGN (Consumer Cyclical) and ATR (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: OI is a small-cap quality compounder stock; AMBP is a small-cap income-oriented stock; SEE is a small-cap deep-value stock; SLGN is a small-cap deep-value stock; ATR is a small-cap quality compounder stock. AMBP, SEE, SLGN, ATR pay a dividend while OI does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.