MPLX MPLX PEG ratio, current and historical analysis

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  2. Energy
  3. NYSE: MPLX
  4. PEG Ratio
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Relative Growth: Rel. Growth: 59
Relative Strength: Rel. Strength: 47
Relative Valuation: Rel. Valuation: 68
Relative Profitability: Rel. Profitability: 86

As of Aug 21, 2026, MPLX's PEG ratio of 1.2 reflects its valuation relative to its growth. This value reflects a P/E ratio of 12.56 measured against EPS growth of 10.5%. When compared to the trailing four-quarter average of 1.17, MPLX's PEG ratio shows a 2.3% increase.

MPLX PEG ratio history

How has MPLX's PEG ratio performed in the past

MPLX's ten years historical PEG ratio has an average of 1.02. Compared to historical data, MPLX's 1.2 PE to growth ratio represents a rise of 18%. MPLX reached its maximum PEG ratio of 7.43 during the Dec 2023 quarter over the past ten years. The Dec 2021 quarter had the bottom reading at 0.02, indicating the most optimal growth-adjusted valuation.

Today
1.2
Average
1.02
Median
0.38
Minimum
0.02
Maximum
7.43

MPLX PEG ratio by year

Year PEG ratio PE ratio Growth YoY
2025 0.76 11.07 14.5%
2024 1.05 11.37 10.8%
2023 7.43 9.66 1.3%
2022 0.28 8.76 31.1%
2021 0.02 10.35 457.5%
2020 N/A N/A -180%
2019 N/A 25.46 -56.3%
2018 0.12 13.23 114%
2017 N/A 33.15 N/A
2016 N/A N/A -100%
2015 N/A 31.98 -20.6%
2014 1 47.41 47.6%
2013 0.09 42.42 483.3%
2012 N/A 173.28 N/A
2011 N/A N/A N/A

MPLX PEG ratio by quarter (TTM)

Year PEG ratio PE ratio Growth YoY
Jun 2026 1.15 12.11 10.5%
Mar 2026 1.84 12.35 6.7%
Dec 2025 0.76 11.07 14.5%
Sep 2025 0.94 10.58 11.3%
Jun 2025 5.56 12.24 2.2%
Mar 2025 1.07 12.36 11.6%
Dec 2024 1.05 11.37 10.8%
Sep 2024 0.49 10.49 21.5%
Jun 2024 2.59 10.34 4%
Mar 2024 N/A 10.71 0%
Dec 2023 7.43 9.66 1.3%
Sep 2023 N/A 10.19 -7.2%
Jun 2023 0.33 8.57 26.1%
Mar 2023 0.29 8.88 30.6%
Dec 2022 0.28 8.76 31.1%

MPLX average PEG ratio chart

What is the average PEG ratio of MPLX for the past years

When comparing to historical values, MPLX's PEG ratio is higher than its 10-year average, though it is below the 3 and 5-year averages.

3-year avg
2.29
5-year avg
1.39
10-year avg
1.02
15-year avg
N/A

PEG comparison

MPLX's PEG of 1.2 is above the Energy sector and the industry average. Compared to its Energy sector average of 0.4, MPLX's PEG is 200% higher.

MPLX EPS growth

Earnings per share growth rates over time chart

MPLX Price vs fair value

How does MPLX's price compare to its estimated fair value based on its growth

MPLX PEG vs peers

What is MPLX's PEG ratio compared to its peers

MPLX has a PEG ratio above that of peer stocks MPC and PAA.

Frequently asked questions

What is MPLX's PEG ratio?

Based on Aug 21, 2026 data, MPLX carries a PEG ratio of 1.2.

What is the 3-year average PEG ratio for MPLX (MPLX)?

MPLX has a 3-year average PEG ratio of 2.29.

What is the 5-year average PEG ratio for MPLX (MPLX)?

MPLX has a 5-year average PEG ratio of 1.39.

What is the highest PEG ratio for MPLX?

MPLX's PEG ratio peaked at 7.43 during the Dec 2023 quarter - the highest in ten years.

How does the current PEG ratio for MPLX compare to its historical average?

Currently, MPLX's PEG ratio stands 18% higher than its 10-year historical average.

How is MPLX's PEG ratio calculated (MPLX PEG ratio formula)?

To calculate the PEG ratio, take the company's PE ratio and divide by its EPS growth (YoY TTM). As of Aug 21, 2026, MPLX has a P/E ratio of 12.56. Earnings grew at 10.5% over the TTM period ending Jun 2026. Applying the formula, this produces a price to earnings growth ratio of 1.2. PEG RATIO(1.2) = PE RATIO(12.56) / EPS GROWTH(10.5%)

All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.