AMKR vs TFII vs ASX vs ODFL vs SAIA

For growth investors, TFI International Inc.

(TFII) is the stronger pick with 31. 1% revenue growth year-over-year, versus -5. 5% for Old Dominion Freight Line, Inc. (ODFL). TFI International Inc. (TFII) offers the better valuation at 26. 6x trailing P/E (26. 7x forward), making it the more compelling value choice. Analysts rate TFI International Inc. (TFII) a "Buy" — based on 19 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, TFI International Inc.

(TFII) is the cheapest at 26. 6x versus ASE Technology Holding Co. , Ltd. at 56. 6x. On forward P/E, ASE Technology Holding Co. , Ltd. is actually cheaper at 1. 0x — 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: ASE Technology Holding Co. , Ltd. wins at 0. 13x versus Amkor Technology, Inc. 's 24. 73x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, ASE Technology Holding Co.

, Ltd. (ASX) delivered a total return of +331. 5%, compared to +50. 0% for Old Dominion Freight Line, Inc. (ODFL). Over 10 years, the gap is even starker: SAIA returned +1568% versus ASX's +684. 8%. 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), TFI International Inc.

(TFII) is the lower-risk stock at 1. 30β versus Amkor Technology, Inc. 's 2. 87β — meaning AMKR is approximately 121% more volatile than TFII relative to the S&P 500. On balance sheet safety, Old Dominion Freight Line, Inc. (ODFL) carries a lower debt/equity ratio of 3% versus 138% for TFI International Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), TFI International Inc.

(TFII) is pulling ahead at 31. 1% versus -5. 5% for Old Dominion Freight Line, Inc. (ODFL). On earnings-per-share growth, the picture is similar: ASE Technology Holding Co. , Ltd. grew EPS 27. 7% year-over-year, compared to -29. 6% for Saia, Inc.. Over a 3-year CAGR, TFII leads at 7. 7% 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.

Old Dominion Freight Line, Inc.

(ODFL) is the more profitable company, earning 18. 6% net margin versus 3. 9% for TFI International Inc. — meaning it keeps 18. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ODFL leads at 24. 8% versus 6. 9% for TFII. At the gross margin level — before operating expenses — ODFL leads at 32. 2%, 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, ASE Technology Holding Co. , Ltd. (ASX) is the more undervalued stock at a PEG of 0. 13x versus Amkor Technology, Inc. 's 24. 73x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, ASE Technology Holding Co. , Ltd. (ASX) trades at 1. 0x forward P/E versus 42. 3x for Saia, Inc. — 41. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ODFL: 5. 1% to $208. 19.

In this comparison, TFII (1.

8% yield), ASX (1. 0% yield), ODFL (0. 6% yield), AMKR (0. 5% yield) pay a dividend. SAIA does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Old Dominion Freight Line, Inc.

(ODFL) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (0. 6% yield, +841. 8% 10Y return). Amkor Technology, Inc. (AMKR) carries a higher beta of 2. 87 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ODFL: +841. 8%, AMKR: +1222%), 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 (AMKR (Technology) and TFII (Industrials) and ASX (Technology) and ODFL (Industrials) and SAIA (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: AMKR is a mid-cap quality compounder stock; TFII is a mid-cap high-growth stock; ASX is a mid-cap quality compounder stock; ODFL is a mid-cap quality compounder stock; SAIA is a mid-cap quality compounder stock. TFII, ASX, ODFL pay a dividend while AMKR, SAIA do 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.