NUKK vs IMXI vs FIS vs GPN vs FISV

For growth investors, Fidelity National Information Services, Inc.

(FIS) is the stronger pick with 5. 4% revenue growth year-over-year, versus -63. 5% for Nukkleus Inc. (NUKK). Fiserv, Inc. (FISV) offers the better valuation at 9. 0x trailing P/E (7. 0x forward), making it the more compelling value choice. Analysts rate International Money Express, Inc. (IMXI) a "Buy" — based on 12 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 9. 0x versus Fidelity National Information Services, Inc. at 63. 0x. On forward P/E, Global Payments Inc. is actually cheaper at 5. 1x — 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: Fiserv, Inc. wins at 0. 20x versus International Money Express, Inc. 's 2. 50x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, International Money Express, Inc.

(IMXI) delivered a total return of +9. 4%, compared to -97. 8% for Nukkleus Inc. (NUKK). Over 10 years, the gap is even starker: IMXI returned +63. 5% versus NUKK's -97. 7%. 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), International Money Express, Inc.

(IMXI) is the lower-risk stock at 0. 37β versus Nukkleus Inc. 's 2. 26β — meaning NUKK is approximately 508% more volatile than IMXI relative to the S&P 500. On balance sheet safety, Fidelity National Information Services, Inc. (FIS) carries a lower debt/equity ratio of 29% versus 134% for International Money Express, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Fidelity National Information Services, Inc.

(FIS) is pulling ahead at 5. 4% versus -63. 5% for Nukkleus Inc. (NUKK). On earnings-per-share growth, the picture is similar: Nukkleus Inc. grew EPS 64. 4% year-over-year, compared to -47. 2% for Fidelity National Information Services, Inc.. Over a 3-year CAGR, FISV leads at 6. 1% 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.

Global Payments Inc.

(GPN) is the more profitable company, earning 18. 2% net margin versus -144. 1% for Nukkleus Inc. — meaning it keeps 18. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: FISV leads at 26. 9% versus -239. 8% for NUKK. At the gross margin level — before operating expenses — GPN leads at 72. 6%, 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 International Money Express, Inc. 's 2. 50x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Global Payments Inc. (GPN) trades at 5. 1x forward P/E versus 10. 5x for International Money Express, Inc. — 5. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for IMXI: 70. 2% to $27. 00.

In this comparison, FIS (3.

5% yield), GPN (1. 4% yield) pay a dividend. NUKK, IMXI, FISV do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Fidelity National Information Services, Inc.

(FIS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 76), 3. 5% yield). Nukkleus Inc. (NUKK) carries a higher beta of 2. 26 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (FIS: -13. 2%, NUKK: -97. 7%), 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 (NUKK (Technology) and IMXI (Technology) and FIS (Technology) and GPN (Industrials) and FISV (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: NUKK is a small-cap quality compounder stock; IMXI is a small-cap deep-value stock; FIS is a mid-cap income-oriented stock; GPN is a mid-cap deep-value stock; FISV is a mid-cap deep-value stock. FIS, GPN pay a dividend while NUKK, IMXI, FISV 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.