OITracker Cboe delayed data

Contract OI history

Back to MPC

Dec 18, 2026 EXPIRATION

MPC $390.00 Put

MPC261218P00390000

Latest saved OI281Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $390.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4042020 2026-10-02: 128 OI2026-10-05: 133 OI2026-10-06: 134 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 134 OI2026-10-13: 260 OI2026-10-14: 404 OI2026-10-15: 263 OI2026-10-16: 263 OI2026-10-21: 272 OI2026-10-23: 281 OI Oct 02, 2026Oct 23, 2026

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

MPC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026281+9
Oct 21, 2026Viewing272+9
Oct 16, 20262630
Oct 15, 2026263-141
Oct 14, 2026404+144
Oct 13, 2026260+126
Oct 09, 20261340
Oct 08, 20261340
Oct 07, 20261340
Oct 06, 2026134+1
Oct 05, 2026133+5
Oct 02, 2026128No prior observation