OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

M $25.00 Call

M280121C00025000

Latest saved OI1,363Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $25.00 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. 1,3886940 2026-10-02: 1,340 OI2026-10-05: 1,340 OI2026-10-06: 1,333 OI2026-10-07: 1,346 OI2026-10-08: 1,346 OI2026-10-09: 1,358 OI2026-10-13: 1,378 OI2026-10-14: 1,378 OI2026-10-15: 1,388 OI2026-10-16: 1,388 OI2026-10-21: 1,366 OI2026-10-23: 1,363 OI Oct 02, 2026Oct 23, 2026

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

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,363-3
Oct 21, 20261,366-22
Oct 16, 20261,3880
Oct 15, 20261,388+10
Oct 14, 20261,3780
Oct 13, 20261,378+20
Oct 09, 20261,358+12
Oct 08, 20261,3460
Oct 07, 20261,346+13
Oct 06, 20261,333-7
Oct 05, 20261,3400
Oct 02, 20261,340No prior observation