OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $66.00 Put

NOW261218P00066000

Latest saved OI610Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $66.00 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. 6133060 2026-10-02: 613 OI2026-10-05: 613 OI2026-10-06: 613 OI2026-10-07: 613 OI2026-10-08: 613 OI2026-10-09: 613 OI2026-10-13: 611 OI2026-10-14: 611 OI2026-10-15: 611 OI2026-10-16: 611 OI2026-10-21: 610 OI2026-10-23: 610 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, 20266100
Oct 21, 2026Viewing610-1
Oct 16, 20266110
Oct 15, 20266110
Oct 14, 20266110
Oct 13, 2026611-2
Oct 09, 20266130
Oct 08, 20266130
Oct 07, 20266130
Oct 06, 20266130
Oct 05, 20266130
Oct 02, 2026613No prior observation