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Marathon Petroleum Corp

MPCNYSEPetroleum RefiningFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 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 West Coast ANS 3-2-1 crack spread by Quarter

West Coast ANS 3-2-1 crack spread (ex-RIN, $/bbl) ($)

QuarterlyAnnualMonthly

Marathon Petroleum West Coast ANS 3-2-1 crack spread: $62.33 in Q3 2026, up 155.8% from a year earlier. That is the highest of the 15 quarters on record here.

Latest, Q3 2026
62.33
Period ended Sep 30, 2026
Change on a year earlier
+155.8%
24.37 in Q3 2025
History
15 quarters
Since Q1 2023
Sources
3
Documents cited below

Where the Q3 2026 figure comes from

“Market-Data-Summary-at-9-30-2026.xlsx (Historical) | FY2026Q3 | West Coast ANS 3-2-1 crack spread (ex-RIN, $/bbl): 62.33”

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

Quarterly history

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

PeriodEndedWest Coast ANS 3-2-1 crack spread (ex-RIN, $/bbl) ($)Year on yearSource
Q3 2026Sep 30, 202662.33+155.8%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q2 2026Jun 30, 202639.85+78.1%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q1 2026Mar 31, 202626.95+45.1%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q4 2025Dec 31, 202523.08+71.6%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q3 2025Sep 30, 202524.37+59.1%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q2 2025Jun 30, 202522.38-3.9%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q1 2025Mar 31, 202518.57-23.3%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2026.xlsx) ↗
Q4 2024Dec 31, 202413.45-38.8%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2025.xlsx) ↗
Q3 2024Sep 30, 202415.32-65.2%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2025.xlsx) ↗
Q2 2024Jun 30, 202423.28-4.9%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2025.xlsx) ↗
Q1 2024Mar 31, 202424.22-18.3%MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-9-30-2025.xlsx) ↗
Q4 2023Dec 31, 202321.96–MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-12-31-2024.xlsx) ↗
Q3 2023Sep 30, 202344.04–MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-12-31-2024.xlsx) ↗
Q2 2023Jun 30, 202324.49–MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-12-31-2024.xlsx) ↗
Q1 2023Mar 31, 202329.63–MPC Refining & Marketing Market Data Summary (Market-Data-Summary-at-12-31-2024.xlsx) ↗

Cite this data

StockData. (2026). Marathon Petroleum West Coast ANS 3-2-1 crack spread ($), quarterly Q1 2023–Q3 2026 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/mkt-crack-wc

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