OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

AM $20.00 Put

AM280121P00020000

Latest saved OI120Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AM $20.00 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. 120600 2026-10-02: 98 OI2026-10-05: 98 OI2026-10-06: 98 OI2026-10-07: 98 OI2026-10-08: 98 OI2026-10-09: 98 OI2026-10-13: 98 OI2026-10-14: 98 OI2026-10-15: 98 OI2026-10-16: 98 OI2026-10-21: 120 OI2026-10-23: 120 OI Oct 02, 2026Oct 23, 2026

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

AM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1200
Oct 21, 2026120+22
Oct 16, 2026980
Oct 15, 2026980
Oct 14, 2026980
Oct 13, 2026980
Oct 09, 2026980
Oct 08, 2026980
Oct 07, 2026980
Oct 06, 2026980
Oct 05, 2026980
Oct 02, 202698No prior observation