OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

AM $20.00 Put

AM261120P00020000

Latest saved OI127Oct 23, 2026
Last change+72vs 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. 127630 2026-10-02: 26 OI2026-10-05: 35 OI2026-10-06: 35 OI2026-10-07: 35 OI2026-10-08: 37 OI2026-10-09: 37 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 54 OI2026-10-16: 55 OI2026-10-21: 55 OI2026-10-23: 127 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, 2026Viewing127+72
Oct 21, 2026550
Oct 16, 202655+1
Oct 15, 202654+16
Oct 14, 2026380
Oct 13, 202638+1
Oct 09, 2026370
Oct 08, 202637+2
Oct 07, 2026350
Oct 06, 2026350
Oct 05, 202635+9
Oct 02, 202626No prior observation