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MPC · Marathon Petroleum Corp

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$355.42 -0.95 (-0.27%) At close · Aug 14
Market Cap
$99.81B
Shares
280.82M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Model estimate

Expected Aug 14 short interest

as of Aug 14
6,981,478 +2.9% vs reported
The latest estimate appears in the chart below. Official release expected Aug 25. Methodology
Short Squeeze Score
77/100
Short interest 2.4% of shares — P55 Days to cover 3.4 — P52 Price vs VWAP +27.4% — P96 Short-volume trend +1.4% — P57 Short interest change +5.8% — P72 Worst FTD 8.50% of shares — P99 Price spike +10

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-31). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 Scheduled
    FINRA publishes Aug 25
    		 — — — —
    2026-07-31 6,786,536 6,412,255 +374,281 3.38
    2026-07-15 6,412,255 7,290,864 -878,609 3.18
    2026-06-30 7,290,864 7,673,768 -382,904 2.59
    2026-06-15 7,673,768 6,312,262 +1,361,506 3.27
    2026-05-29 6,312,262 5,947,128 +365,134 2.75
    2026-05-15 5,947,128 5,585,954 +361,174 2.35
    2026-04-30 5,585,954 6,348,348 -762,394 2.60
    2026-04-15 6,348,348 6,803,010 -454,662 2.93
    2026-03-31 6,803,010 8,038,630 -1,235,620 2.20
    2026-03-13 8,038,630 7,946,172 +92,458 2.47
    2026-02-27 7,946,172 8,793,250 -847,078 3.52
    2026-02-13 8,793,250 8,928,450 -135,200 3.43
    2026-01-30 8,928,450 8,983,903 -55,453 4.58
    2026-01-15 8,983,903 9,200,800 -216,897 3.45
    2025-12-31 9,200,800 9,768,852 -568,052 3.82
    2025-12-15 9,768,852 9,263,628 +505,224 4.51
    2025-11-28 9,263,628 7,210,689 +2,052,939 4.93
    2025-11-14 7,210,689 7,547,623 -336,934 2.83
    2025-10-31 7,547,623 7,374,144 +173,479 4.79
    2025-10-15 7,374,144 7,470,350 -96,206 4.77
    2025-09-30 7,470,350 7,861,133 -390,783 3.45
    2025-09-15 7,861,133 8,111,300 -250,167 4.41
    2025-08-29 8,111,300 7,822,443 +288,857 4.44
    2025-08-15 7,822,443 7,414,136 +408,307 4.23
    Showing 1–24 of 24 settlements
    Key facts CIK 1510295 CUSIP 56585A102 13F (30d) 1725 filings 1676 filers Visit website Investor relations

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