OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

NOW $100.00 Put

NOW270319P00100000

Latest saved OI3,807Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $100.00 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. 3,9061,9530 2026-10-02: 3,837 OI2026-10-05: 3,841 OI2026-10-06: 3,843 OI2026-10-07: 3,839 OI2026-10-08: 3,839 OI2026-10-09: 3,811 OI2026-10-13: 3,803 OI2026-10-14: 3,803 OI2026-10-15: 3,803 OI2026-10-16: 3,906 OI2026-10-21: 3,809 OI2026-10-23: 3,807 OI Oct 02, 2026Oct 23, 2026

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

NOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263,807-2
Oct 21, 2026Viewing3,809-97
Oct 16, 20263,906+103
Oct 15, 20263,8030
Oct 14, 20263,8030
Oct 13, 20263,803-8
Oct 09, 20263,811-28
Oct 08, 20263,8390
Oct 07, 20263,839-4
Oct 06, 20263,843+2
Oct 05, 20263,841+4
Oct 02, 20263,837No prior observation