OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

MA $300.00 Put

MA290119P00300000

Latest saved OI111Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $300.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 111550 2026-10-02: 3 OI2026-10-05: 3 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 111 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 111 OI2026-10-16: 111 OI2026-10-21: 111 OI2026-10-23: 111 OI Oct 02, 2026Oct 23, 2026

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

MA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1110
Oct 21, 20261110
Oct 16, 20261110
Oct 15, 20261110
Oct 14, 20261110
Oct 13, 20261110
Oct 09, 20261110
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 2026111+108
Oct 05, 202630
Oct 02, 20263No prior observation