BY vs FISV

For growth investors, Fiserv, Inc.

(FISV) is the stronger pick with 3. 6% revenue growth year-over-year, versus 1. 3% for Byline Bancorp, Inc. (BY). Fiserv, Inc. (FISV) offers the better valuation at 8. 9x trailing P/E (6. 9x forward), making it the more compelling value choice. Analysts rate Fiserv, Inc. (FISV) a "Buy" — based on 60 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, Fiserv, Inc.

(FISV) is the cheapest at 8. 9x versus Byline Bancorp, Inc. at 11. 5x. On forward P/E, Fiserv, Inc. is actually cheaper at 6. 9x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Fiserv, Inc. wins at 0. 20x versus Byline Bancorp, Inc. 's 0. 42x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Byline Bancorp, Inc.

(BY) delivered a total return of +51. 6%, compared to -52. 5% for Fiserv, Inc. (FISV). Over 10 years, the gap is even starker: BY returned +76. 5% versus FISV's +9. 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), Byline Bancorp, Inc.

(BY) is the lower-risk stock at 0. 86β versus Fiserv, Inc. 's 0. 94β — meaning FISV is approximately 9% more volatile than BY relative to the S&P 500. On balance sheet safety, Byline Bancorp, Inc. (BY) carries a lower debt/equity ratio of 45% versus 113% for Fiserv, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Fiserv, Inc.

(FISV) is pulling ahead at 3. 6% versus 1. 3% for Byline Bancorp, Inc. (BY). On earnings-per-share growth, the picture is similar: Fiserv, Inc. grew EPS 17. 8% year-over-year, compared to 5. 1% for Byline Bancorp, Inc.. 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.

Byline Bancorp, Inc.

(BY) is the more profitable company, earning 20. 7% net margin versus 16. 4% for Fiserv, Inc. — meaning it keeps 20. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: BY leads at 29. 1% versus 26. 9% for FISV. At the gross margin level — before operating expenses — BY leads at 66. 1%, 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, Fiserv, Inc. (FISV) is the more undervalued stock at a PEG of 0. 20x versus Byline Bancorp, Inc. 's 0. 42x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Fiserv, Inc. (FISV) trades at 6. 9x forward P/E versus 10. 3x for Byline Bancorp, Inc. — 3. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for FISV: 33. 0% to $74. 64.

In this comparison, BY (1.

2% yield) pays a dividend. FISV does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Byline Bancorp, Inc.

(BY) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 86), 1. 2% yield). Both have compounded well over 10 years (BY: +76. 5%, FISV: +9. 3%), 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 (BY (Financial Services) and FISV (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

BY pays a dividend while FISV 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.