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Marathon Petroleum Corp

MPCNYSEPetroleum RefiningFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 3, 2026Score 16/3013% above fair value
$430.39−14.34 (-3.22%)

Close on Nov 2, 2026Market cap $120.86BP/E 14.8Yield 0.87%

Marathon Petroleum MPC blended 3-2-1 crack spread by Month

MPC blended 3-2-1 crack spread (40% Mid-Con / 42% USGC / 18% WC, ex-RIN, $/bbl) ($)

QuarterlyAnnualMonthly

Marathon Petroleum MPC blended 3-2-1 crack spread: $53.81 in Sep 2026, up 185.2% from a year earlier. That is the highest of the 45 months on record here.

Latest, Sep 2026
53.81
Period ended Sep 28, 2026
Change on a year earlier
+185.2%
18.87 in Sep 2025
History
45 months
Since Jan 2023
Sources
3
Documents cited below

Where the Sep 2026 figure comes from

“Market-Data-Summary-at-9-30-2026.xlsx (Historical) | 2026-09 | MPC blended 3-2-1 crack spread (40% Mid-Con / 42% USGC / 18% WC, $/bbl): 53.81”

Source: MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗

Published monthly, quarterly, and annually by MPC Investor Relations in Market-Data-Summary

Monthly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedMPC blended 3-2-1 crack spread (40% Mid-Con / 42% USGC / 18% WC, ex-RIN, $/bbl) ($)Year on yearSource
Sep 2026Sep 28, 202653.81+185.2%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Aug 2026Aug 28, 202647.50+164.9%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Jul 2026Jul 28, 202644.89+176.2%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Jun 2026Jun 28, 202630.30+114.7%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
May 2026May 28, 202639.64+130.9%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Apr 2026Apr 28, 202630.96+99.2%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Mar 2026Mar 28, 202625.16+90.0%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Feb 2026Feb 28, 202611.29-7.2%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Jan 2026Jan 28, 20268.79+2.1%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Dec 2025Dec 28, 20259.04+16.3%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Nov 2025Nov 28, 202519.84+109.3%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Oct 2025Oct 28, 202515.89+59.1%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Sep 2025Sep 28, 202518.87+63.0%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Aug 2025Aug 28, 202517.93+30.4%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Jul 2025Jul 28, 202516.25+12.4%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Jun 2025Jun 28, 202514.11+11.5%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗

Breakdown

What makes up MPC blended 3-2-1 crack spread

Cite this data

StockData. (2026). Marathon Petroleum MPC blended 3-2-1 crack spread ($), monthly Jan 2023–Sep 2026 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/mkt-crack-blended

See every metric in the Marathon Petroleum KPI table. Data updated Oct 27, 2026.