MPC

MPC has shifted from a cyclical commodity refiner into a capital-return, cash-flow compounder whose investment case now hinges less on oil prices and more on sustaining elevated system margin capture and reliably converting growing MPLX distributions into shareholder returns; monitor system capture, MPLX distribution trajectory, net-debt/EBITDA (~3.2x) and inventory exposure as the primary drivers of upside or rapid downside. If margin capture slips or MPLX growth falters, leverage and working‑capital swings can compress returns quickly — consider sizing exposure to a trigger-based plan (e.g., add on sustained >100% annual capture and confirmed MPLX high-single-digit distribution growth; reduce on capture erosion or MPLX miss).