OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NOW $80.00 Put

NOW280121P00080000

Latest saved OI4,897Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $80.00 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. 4,9092,4540 2026-10-02: 4,869 OI2026-10-05: 4,869 OI2026-10-06: 4,863 OI2026-10-07: 4,863 OI2026-10-08: 4,863 OI2026-10-09: 4,863 OI2026-10-13: 4,842 OI2026-10-14: 4,842 OI2026-10-15: 4,836 OI2026-10-16: 4,909 OI2026-10-21: 4,898 OI2026-10-23: 4,897 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, 20264,897-1
Oct 21, 2026Viewing4,898-11
Oct 16, 20264,909+73
Oct 15, 20264,836-6
Oct 14, 20264,8420
Oct 13, 20264,842-21
Oct 09, 20264,8630
Oct 08, 20264,8630
Oct 07, 20264,8630
Oct 06, 20264,863-6
Oct 05, 20264,8690
Oct 02, 20264,869No prior observation