SLM vs ALLY vs COF vs NAVI

For growth investors, Capital One Financial Corporation (COF) is the stronger pick with 28.

4% revenue growth year-over-year, versus -25. 7% for Ally Financial Inc. (ALLY). SLM Corporation (SLM) offers the better valuation at 6. 5x trailing P/E (7. 3x forward), making it the more compelling value choice. Analysts rate SLM Corporation (SLM) a "Buy" — based on 25 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, SLM Corporation (SLM) is the cheapest at 6.

5x versus Capital One Financial Corporation at 47. 8x. On forward P/E, SLM Corporation is actually cheaper at 7. 3x.

Over the past 5 years, Capital One Financial Corporation (COF) delivered a total return of +30.

2%, compared to -30. 9% for Navient Corporation (NAVI). Over 10 years, the gap is even starker: SLM returned +284. 8% versus NAVI's +15. 3%. 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), Navient Corporation (NAVI) is the lower-risk stock at 0.

92β versus Capital One Financial Corporation's 1. 58β — meaning COF is approximately 71% more volatile than NAVI relative to the S&P 500. On balance sheet safety, Capital One Financial Corporation (COF) carries a lower debt/equity ratio of 45% versus 19% for Navient Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Capital One Financial Corporation (COF) is pulling ahead at 28.

4% versus -25. 7% for Ally Financial Inc. (ALLY). On earnings-per-share growth, the picture is similar: Ally Financial Inc. grew EPS 31. 7% year-over-year, compared to -168. 6% for Navient Corporation. 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.

SLM Corporation (SLM) is the more profitable company, earning 24.

0% net margin versus -2. 5% for Navient Corporation — meaning it keeps 24. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: NAVI leads at 77. 1% versus 3. 3% for COF. At the gross margin level — before operating expenses — NAVI leads at 87. 0%, 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.

On forward earnings alone, SLM Corporation (SLM) trades at 7.

3x forward P/E versus 12. 3x for Navient Corporation — 5. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for COF: 38. 8% to $267. 18.

In this comparison, SLM (14.

9% yield), NAVI (7. 2% yield), COF (1. 7% yield) pay a dividend. ALLY does not pay a meaningful dividend and should not be held primarily for income.

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

92), 7. 2% yield). Both have compounded well over 10 years (NAVI: +15. 3%, ALLY: +209. 6%), 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.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: SLM is a small-cap deep-value stock; ALLY is a mid-cap quality compounder stock; COF is a mid-cap high-growth stock; NAVI is a small-cap income-oriented stock. SLM, COF, NAVI pay a dividend while ALLY 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.