OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

M $20.00 Call

M270115C00020000

Latest saved OI914Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $20.00 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. 9334660 2026-10-02: 930 OI2026-10-05: 930 OI2026-10-06: 930 OI2026-10-07: 933 OI2026-10-08: 933 OI2026-10-09: 933 OI2026-10-13: 913 OI2026-10-14: 913 OI2026-10-15: 913 OI2026-10-16: 913 OI2026-10-21: 914 OI2026-10-23: 914 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, 2026Viewing9140
Oct 21, 2026914+1
Oct 16, 20269130
Oct 15, 20269130
Oct 14, 20269130
Oct 13, 2026913-20
Oct 09, 20269330
Oct 08, 20269330
Oct 07, 2026933+3
Oct 06, 20269300
Oct 05, 20269300
Oct 02, 2026930No prior observation