OITracker Cboe delayed data

Contract OI history

Back to MS

Jun 17, 2027 EXPIRATION

MS $190.00 Call

MS270617C00190000

Latest saved OI262Oct 23, 2026
Last change+67vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $190.00 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. 2621310 2026-10-02: 91 OI2026-10-05: 141 OI2026-10-06: 142 OI2026-10-07: 156 OI2026-10-08: 156 OI2026-10-09: 180 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 186 OI2026-10-16: 192 OI2026-10-21: 195 OI2026-10-23: 262 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, 2026Viewing262+67
Oct 21, 2026195+3
Oct 16, 2026192+6
Oct 15, 2026186+4
Oct 14, 20261820
Oct 13, 2026182+2
Oct 09, 2026180+24
Oct 08, 20261560
Oct 07, 2026156+14
Oct 06, 2026142+1
Oct 05, 2026141+50
Oct 02, 202691No prior observation