OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

AR $36.00 Put

AR270115P00036000

Latest saved OI350Oct 23, 2026
Last change+50vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AR $36.00 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. 3501750 2026-10-02: 303 OI2026-10-05: 303 OI2026-10-06: 303 OI2026-10-07: 303 OI2026-10-08: 303 OI2026-10-09: 303 OI2026-10-13: 302 OI2026-10-14: 302 OI2026-10-15: 302 OI2026-10-16: 299 OI2026-10-21: 300 OI2026-10-23: 350 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, 2026Viewing350+50
Oct 21, 2026300+1
Oct 16, 2026299-3
Oct 15, 20263020
Oct 14, 20263020
Oct 13, 2026302-1
Oct 09, 20263030
Oct 08, 20263030
Oct 07, 20263030
Oct 06, 20263030
Oct 05, 20263030
Oct 02, 2026303No prior observation