OITracker Cboe delayed data

Contract OI history

Back to MS

Mar 19, 2027 EXPIRATION

MS $220.00 Call

MS270319C00220000

Latest saved OI2,143Oct 23, 2026
Last change-112vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $220.00 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. 2,2551,1270 2026-10-02: 2,144 OI2026-10-05: 2,160 OI2026-10-06: 2,177 OI2026-10-07: 2,182 OI2026-10-08: 2,182 OI2026-10-09: 2,171 OI2026-10-13: 2,182 OI2026-10-14: 2,182 OI2026-10-15: 2,200 OI2026-10-16: 2,197 OI2026-10-21: 2,255 OI2026-10-23: 2,143 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, 2026Viewing2,143-112
Oct 21, 20262,255+58
Oct 16, 20262,197-3
Oct 15, 20262,200+18
Oct 14, 20262,1820
Oct 13, 20262,182+11
Oct 09, 20262,171-11
Oct 08, 20262,1820
Oct 07, 20262,182+5
Oct 06, 20262,177+17
Oct 05, 20262,160+16
Oct 02, 20262,144No prior observation