OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

AB $35.00 Put

AB270416P00035000

Latest saved OI366Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AB $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3661830 2026-10-02: 287 OI2026-10-05: 287 OI2026-10-06: 308 OI2026-10-07: 308 OI2026-10-08: 308 OI2026-10-09: 308 OI2026-10-13: 310 OI2026-10-15: 365 OI2026-10-16: 366 OI2026-10-20: 366 OI2026-10-23: 366 OI Oct 02, 2026Oct 23, 2026

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

AB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3660
Oct 20, 20263660
Oct 16, 2026366+1
Oct 15, 2026365+55
Oct 13, 2026310+2
Oct 09, 20263080
Oct 08, 20263080
Oct 07, 20263080
Oct 06, 2026308+21
Oct 05, 20262870
Oct 02, 2026287No prior observation