OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

AM $18.00 Put

AM261120P00018000

Latest saved OI71Oct 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 $18.00 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. 71350 2026-10-02: 38 OI2026-10-05: 43 OI2026-10-06: 43 OI2026-10-07: 43 OI2026-10-08: 43 OI2026-10-09: 43 OI2026-10-13: 43 OI2026-10-14: 46 OI2026-10-15: 46 OI2026-10-16: 71 OI2026-10-21: 71 OI2026-10-23: 71 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, 2026Viewing710
Oct 21, 2026710
Oct 16, 202671+25
Oct 15, 2026460
Oct 14, 202646+3
Oct 13, 2026430
Oct 09, 2026430
Oct 08, 2026430
Oct 07, 2026430
Oct 06, 2026430
Oct 05, 202643+5
Oct 02, 202638No prior observation