OITracker Cboe delayed data

Contract OI history

Back to MO

Jan 21, 2028 EXPIRATION

MO $55.00 Put

MO280121P00055000

Latest saved OI692Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MO $55.00 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. 7393690 2026-10-02: 739 OI2026-10-05: 739 OI2026-10-06: 738 OI2026-10-07: 738 OI2026-10-08: 738 OI2026-10-09: 738 OI2026-10-13: 738 OI2026-10-14: 738 OI2026-10-15: 738 OI2026-10-16: 738 OI2026-10-21: 691 OI2026-10-23: 692 OI Oct 02, 2026Oct 23, 2026

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

MO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing692+1
Oct 21, 2026691-47
Oct 16, 20267380
Oct 15, 20267380
Oct 14, 20267380
Oct 13, 20267380
Oct 09, 20267380
Oct 08, 20267380
Oct 07, 20267380
Oct 06, 2026738-1
Oct 05, 20267390
Oct 02, 2026739No prior observation