OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MOS $27.50 Call

MOS270115C00027500

Latest saved OI1,922Oct 23, 2026
Last change-90vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $27.50 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. 2,0151,0070 2026-10-02: 2,015 OI2026-10-05: 2,009 OI2026-10-06: 2,000 OI2026-10-07: 2,000 OI2026-10-08: 2,000 OI2026-10-09: 1,991 OI2026-10-13: 1,992 OI2026-10-14: 2,014 OI2026-10-15: 2,014 OI2026-10-16: 2,012 OI2026-10-21: 2,012 OI2026-10-23: 1,922 OI Oct 02, 2026Oct 23, 2026

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

MOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,922-90
Oct 21, 2026Viewing2,0120
Oct 16, 20262,012-2
Oct 15, 20262,0140
Oct 14, 20262,014+22
Oct 13, 20261,992+1
Oct 09, 20261,991-9
Oct 08, 20262,0000
Oct 07, 20262,0000
Oct 06, 20262,000-9
Oct 05, 20262,009-6
Oct 02, 20262,015No prior observation