MPLX LP closed at $56.55 on Nov 5, up 0.53%, 6.5% below its 52-week closing high. Volume of 3.3M shares was 2.13× its 20-day average (well above normal).
Split-adjusted performance: -0.9% over one month, +0.5% over six months, +10.4% over one year.
In the quarter ended Sep 30, 2026, revenue was $3.27B, up 12.6% from a year earlier, with a net margin of 35.6%.
Short interest was 6.5M shares at the Oct 15 settlement, down 3.0% from the prior report (5.2 days to cover).