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Contract OI history

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Dec 18, 2026 EXPIRATION

MPLX $55.00 Call

MPLX261218C00055000

Latest saved OI437Oct 23, 2026
Last change+2vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPLX $55.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4372180 2026-10-02: 415 OI2026-10-05: 415 OI2026-10-06: 415 OI2026-10-08: 421 OI2026-10-09: 421 OI2026-10-13: 421 OI2026-10-14: 421 OI2026-10-16: 435 OI2026-10-20: 435 OI2026-10-23: 437 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MPLX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing437+2
Oct 20, 20264350
Oct 16, 2026435+14
Oct 14, 20264210
Oct 13, 20264210
Oct 09, 20264210
Oct 08, 2026421+6
Oct 06, 20264150
Oct 05, 20264150
Oct 02, 2026415No prior observation