OITracker Cboe delayed data

Contract OI history

Back to MS

Sep 17, 2027 EXPIRATION

MS $190.00 Put

MS270917P00190000

Latest saved OI856Oct 23, 2026
Last change+91vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $190.00 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. 8564280 2026-10-02: 753 OI2026-10-05: 753 OI2026-10-06: 756 OI2026-10-07: 756 OI2026-10-08: 756 OI2026-10-09: 756 OI2026-10-13: 756 OI2026-10-14: 756 OI2026-10-15: 757 OI2026-10-16: 757 OI2026-10-21: 765 OI2026-10-23: 856 OI Oct 02, 2026Oct 23, 2026

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

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing856+91
Oct 21, 2026765+8
Oct 16, 20267570
Oct 15, 2026757+1
Oct 14, 20267560
Oct 13, 20267560
Oct 09, 20267560
Oct 08, 20267560
Oct 07, 20267560
Oct 06, 2026756+3
Oct 05, 20267530
Oct 02, 2026753No prior observation