OITracker Cboe delayed data

Contract OI history

Back to MS

Oct 23, 2026 EXPIRATION

MS $187.50 Call

MS261023C00187500

Latest saved OI688Oct 23, 2026
Last change+75vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $187.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6883440 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 5 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 21 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-15: 282 OI2026-10-16: 342 OI2026-10-21: 613 OI2026-10-23: 688 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, 2026Viewing688+75
Oct 21, 2026613+271
Oct 16, 2026342+60
Oct 15, 2026282+124
Oct 14, 20261580
Oct 13, 2026158+137
Oct 09, 202621+13
Oct 08, 202680
Oct 07, 20268+3
Oct 06, 20265+5
Oct 05, 202600
Oct 02, 20260No prior observation