Marathon Petroleum enters its July 28 earnings date with a curious split: short sellers have been quietly rebuilding positions over the past month, yet the stock is up 4% on the week and the borrow market remains among the loosest in the sector.
The most striking data point this week is actually how relaxed the lending market looks despite a 32% rise in short interest over the past 30 days. Availability is extraordinarily wide at roughly 3,400% — meaning there are more than 34 shares available to borrow for every one currently shorted. That compares with a 52-week low availability reading of 1,765%, which was itself extraordinarily comfortable. Cost to borrow has climbed 21% over the week to 0.54%, but in absolute terms that's still negligible — well under 1%. The short interest itself sits at 2.8% of the free float, which is low by any standard. The month-long build in short shares, from roughly 6 million to 8.3 million, is real but doesn't yet constitute a meaningful structural short. Positioning looks opportunistic rather than committed.
Options tell a similar, unbothered story. The put/call ratio has eased to 0.64, running slightly below its 20-day average of 0.67. That's near the call-heavy end of the past year's range — the 52-week high for the PCR was 1.18, the low was 0.55 — which points to options traders leaning mildly constructive rather than bracing for a selloff ahead of earnings. The ORTEX short score of 35.6 is stable and unremarkable, having barely moved across the past two weeks.
The Street is broadly positive but growing more selective on valuation. Most major houses have held or lifted targets since Q1 results in early May — Goldman maintained Buy with a $291 target, Wells Fargo sits at $335 Overweight, Barclays and Morgan Stanley both hold Overweight ratings. The most recent action, from TD Cowen on June 29, trimmed the target modestly from $320 to $315 while keeping a Buy — a minor recalibration, not a directional shift. The mean consensus target is $271, close to the current price of $266. P/E is running at roughly 9x, EV/EBITDA near 6.4x, and both multiples have drifted lower over the past 30 days, reflecting subdued earnings momentum. The 12-month forward EPS estimate trend scores only in the 34th percentile universe-wide, meaning the market is not pricing in a strong recovery. The bull case rests on the expected reversal of derivative losses from Q1 into Q2, strong refining capacity, and a dividend score that ranks in the 93rd percentile — a signal that the yield story remains intact. Bears point to unplanned downtime, persistent capture and regional headwinds in MidCon exposure, and intercompany contracts due for renewal in 2027–28.
Among close peers, MPC's 4.2% week-on-week gain is broadly in line with the refining group. DINO rose 4.4% and PBF gained 4.4%, while VLO was nearly flat at -0.04% and PSX added 2.8%. The sector-wide move suggests macro tailwinds — likely crude spread and crack spread dynamics — rather than anything company-specific. BlackRock added roughly 2 million shares as of June 30, now holding 8.4% of the company. FMR added 1.5 million shares over the same period. Those are meaningful institutional additions that run counter to the modest short rebuilding underway in the lending market.
The Q2 print on July 28 is therefore less about whether refining margins held and more about whether the derivative loss reversal management guided for actually materialised — and whether throughput held up despite the downtime concerns the bear camp has been flagging.
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