ORTEXORTEX News
Tracking MPLX? Get live short interest, options flow, and signals on ORTEX.Sign up free →
MP

MPLX LP (MPLX) short interest & options flow

NYSE

MPLX gained 1.7% over the past week, trailing a median advance of 4.1% across its closest midstream peers. EPD rose nearly 7% in the same period, WMB added 6%, and ET climbed more than 4%, leaving MPLX at the quieter end of the group heading into Monday's result. Options positioning has remained more defensive than its recent norm, though it…

Latest pulse24 Aug 2026

MPLX cost to borrow explodes 1,317% in one week to 0.50%, now up 79% month-over-month as availability remains abundant at 562% of short interest.

$57.50-2.44% 1d-1.05% 1w+1.99% 1mClose: 3 Nov 2026
Short interest % of float
Low
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Availability
Dropping
Live availability on ORTEX →
Market cap
$58.30B
Next earnings
2 Feb 2027
See the full picture on ORTEX →Live short interest, options flow, signals, 13F filings, and more.

Key data as of 4 Nov 2026

ORTEX chart of MPLX LP (MPLX) share price and short interest (% of free float), six months to November 3, 2026

MPLX news and analysis

RSS
Earnings PreviewMPLX

MPLX Options Traders Turn Defensive Before Tuesday's Print

Options positioning on MPLX has shifted more cautious than at any point in recent months, even as short sellers hold steady and the borrow market remains loose. The put/call ratio jumped to 0.56 on October 23, more…

1 min read

Want the live picture for MPLX?

Short interest updated daily, real-time options flow, analyst consensus deltas, 13F positioning, ORTEX Alpha signals, and every article ORTEX publishes for MPLX — free to start on ORTEX.

Sign up for free →Open MPLX on ORTEX