OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

AR $40.00 Put

AR270115P00040000

Latest saved OI1,877Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AR $40.00 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. 1,8779380 2026-10-02: 1,877 OI2026-10-05: 1,877 OI2026-10-06: 1,877 OI2026-10-07: 1,877 OI2026-10-08: 1,877 OI2026-10-09: 1,877 OI2026-10-13: 1,877 OI2026-10-14: 1,877 OI2026-10-15: 1,877 OI2026-10-16: 1,877 OI2026-10-21: 1,877 OI2026-10-23: 1,877 OI Oct 02, 2026Oct 23, 2026

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

AR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,8770
Oct 21, 20261,8770
Oct 16, 20261,8770
Oct 15, 20261,8770
Oct 14, 20261,8770
Oct 13, 20261,8770
Oct 09, 20261,8770
Oct 08, 20261,8770
Oct 07, 20261,8770
Oct 06, 20261,8770
Oct 05, 20261,8770
Oct 02, 20261,877No prior observation