CAPL vs MMLP vs NGL vs MPLX

For growth investors, MPLX Lp (MPLX) is the stronger pick with 8.

4% revenue growth year-over-year, versus -16. 5% for NGL Energy Partners LP (NGL). MPLX Lp (MPLX) offers the better valuation at 11. 7x trailing P/E (12. 7x forward), making it the more compelling value choice. Analysts rate Martin Midstream Partners L. P. (MMLP) a "Buy" — based on 11 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, MPLX Lp (MPLX) is the cheapest at 11.

7x versus CrossAmerica Partners LP at 19. 5x. On forward P/E, MPLX Lp is actually cheaper at 12. 7x.

Over the past 5 years, NGL Energy Partners LP (NGL) delivered a total return of +626.

6%, compared to +14. 4% for Martin Midstream Partners L. P. (MMLP). Over 10 years, the gap is even starker: MPLX returned +184. 4% versus MMLP's -57. 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), CrossAmerica Partners LP (CAPL) is the lower-risk stock at 0.

06β versus NGL Energy Partners LP's 0. 67β — meaning NGL is approximately 1105% more volatile than CAPL relative to the S&P 500. On balance sheet safety, MPLX Lp (MPLX) carries a lower debt/equity ratio of 180% versus 4% for NGL Energy Partners LP — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), MPLX Lp (MPLX) is pulling ahead at 8.

4% versus -16. 5% for NGL Energy Partners LP (NGL). On earnings-per-share growth, the picture is similar: CrossAmerica Partners LP grew EPS 109. 6% year-over-year, compared to -184. 6% for Martin Midstream Partners L. P.. Over a 3-year CAGR, MPLX leads at 3. 9% 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.

MPLX Lp (MPLX) is the more profitable company, earning 41.

6% net margin versus -2. 0% for Martin Midstream Partners L. P. — meaning it keeps 41. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MPLX leads at 40. 3% versus 5. 6% for CAPL. At the gross margin level — before operating expenses — MPLX leads at 45. 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.

On forward earnings alone, MPLX Lp (MPLX) trades at 12.

7x forward P/E versus 49. 5x for CrossAmerica Partners LP — 36. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MPLX: 7. 1% to $60. 25.

All stocks in this comparison pay dividends.

NGL Energy Partners LP (NGL) offers the highest yield at 14. 3%, versus 0. 8% for Martin Midstream Partners L. P. (MMLP).

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

06), 9. 9% yield). Both have compounded well over 10 years (CAPL: +87. 5%, NGL: +78. 8%), 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 Energy sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: CAPL is a small-cap income-oriented stock; MMLP is a small-cap quality compounder stock; NGL is a small-cap income-oriented stock; MPLX is a mid-cap deep-value stock. 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.