OITracker Cboe delayed data

Contract OI history

Back to MKC

Dec 18, 2026 EXPIRATION

MKC $40.00 Put

MKC261218P00040000

Latest saved OI2,548Oct 23, 2026
Last change-23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MKC $40.00 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. 2,5711,2850 2026-10-02: 1,533 OI2026-10-05: 1,545 OI2026-10-06: 1,533 OI2026-10-07: 1,534 OI2026-10-08: 1,536 OI2026-10-09: 1,535 OI2026-10-13: 2,552 OI2026-10-14: 2,564 OI2026-10-15: 2,562 OI2026-10-16: 2,559 OI2026-10-21: 2,571 OI2026-10-23: 2,548 OI Oct 02, 2026Oct 23, 2026

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

MKC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,548-23
Oct 21, 20262,571+12
Oct 16, 20262,559-3
Oct 15, 20262,562-2
Oct 14, 20262,564+12
Oct 13, 20262,552+1,017
Oct 09, 20261,535-1
Oct 08, 20261,536+2
Oct 07, 20261,534+1
Oct 06, 20261,533-12
Oct 05, 20261,545+12
Oct 02, 20261,533No prior observation