OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

M $20.00 Call

M280121C00020000

Latest saved OI1,580Oct 23, 2026
Last change-8vs 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. 1,6168080 2026-10-02: 1,610 OI2026-10-05: 1,610 OI2026-10-06: 1,610 OI2026-10-07: 1,616 OI2026-10-08: 1,616 OI2026-10-09: 1,606 OI2026-10-13: 1,606 OI2026-10-14: 1,606 OI2026-10-15: 1,608 OI2026-10-16: 1,608 OI2026-10-21: 1,588 OI2026-10-23: 1,580 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, 2026Viewing1,580-8
Oct 21, 20261,588-20
Oct 16, 20261,6080
Oct 15, 20261,608+2
Oct 14, 20261,6060
Oct 13, 20261,6060
Oct 09, 20261,606-10
Oct 08, 20261,6160
Oct 07, 20261,616+6
Oct 06, 20261,6100
Oct 05, 20261,6100
Oct 02, 20261,610No prior observation