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Marathon Petroleum Corporation (MPC) short interest & options flow

NYSE

Marathon Petroleum closed the post-earnings week down 2% at $427.34, with the stock absorbing its Q3 print and a fresh round of analyst target increases that still sit comfortably above the current price. The earnings result itself generated a sharp reaction. The October 27 print sent the stock down 6.3% the following day and a further 9.2% over the five-day window, the most…

Latest pulse19 Oct 2026

MPC short interest climbed 30% over the past week to 2.34% of float, as shares shorted rose to 7.0M from 5.4M eight days prior. Cost to borrow remains benign at 0.38%, with availability near 3,275% of short interest.

$377.32-3.91% 1d-12.76% 1w-12.95% 1mClose: 5 Nov 2026
Short interest % of float
Low and dropping
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Availability
High and rising
Live availability on ORTEX →
Market cap
$102.74B
Next earnings
2 Feb 2027
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Key data as of 6 Nov 2026

ORTEX chart of Marathon Petroleum Corporation (MPC) share price and short interest (% of free float), six months to November 5, 2026

Latest signals on MPC

  • Short Interest

    MPC short interest climbed 30% over the past week to 2.34% of float, as shares shorted rose to 7.0M from 5.4M eight days prior. Cost to borrow remains benign at 0.38%, with availability near 3,275% of short interest.

    6 Short Interest updates in 30 days

MPC news and analysis

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