OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MS $190.00 Call

MS261120C00190000

Latest saved OI1,780Oct 23, 2026
Last change+202vs 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. 1,7808900 2026-10-02: 92 OI2026-10-05: 302 OI2026-10-06: 302 OI2026-10-07: 421 OI2026-10-08: 421 OI2026-10-09: 428 OI2026-10-13: 839 OI2026-10-14: 839 OI2026-10-15: 860 OI2026-10-16: 1,026 OI2026-10-21: 1,578 OI2026-10-23: 1,780 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, 2026Viewing1,780+202
Oct 21, 20261,578+552
Oct 16, 20261,026+166
Oct 15, 2026860+21
Oct 14, 20268390
Oct 13, 2026839+411
Oct 09, 2026428+7
Oct 08, 20264210
Oct 07, 2026421+119
Oct 06, 20263020
Oct 05, 2026302+210
Oct 02, 202692No prior observation