OITracker Cboe delayed data

Contract OI history

Back to MKC

Jan 21, 2028 EXPIRATION

MKC $40.00 Put

MKC280121P00040000

Latest saved OI375Oct 23, 2026
Last change0vs 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. 3761880 2026-10-02: 4 OI2026-10-05: 151 OI2026-10-06: 160 OI2026-10-07: 160 OI2026-10-08: 374 OI2026-10-09: 374 OI2026-10-13: 374 OI2026-10-14: 375 OI2026-10-15: 376 OI2026-10-16: 376 OI2026-10-21: 375 OI2026-10-23: 375 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, 2026Viewing3750
Oct 21, 2026375-1
Oct 16, 20263760
Oct 15, 2026376+1
Oct 14, 2026375+1
Oct 13, 20263740
Oct 09, 20263740
Oct 08, 2026374+214
Oct 07, 20261600
Oct 06, 2026160+9
Oct 05, 2026151+147
Oct 02, 20264No prior observation