OITracker Cboe delayed data

Contract OI history

Back to NOW

Jun 17, 2027 EXPIRATION

NOW $140.00 Put

NOW270617P00140000

Latest saved OI619Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $140.00 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. 6223110 2026-10-02: 618 OI2026-10-05: 618 OI2026-10-06: 622 OI2026-10-07: 622 OI2026-10-08: 622 OI2026-10-09: 622 OI2026-10-13: 603 OI2026-10-14: 603 OI2026-10-15: 603 OI2026-10-16: 602 OI2026-10-21: 606 OI2026-10-23: 619 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, 2026Viewing619+13
Oct 21, 2026606+4
Oct 16, 2026602-1
Oct 15, 20266030
Oct 14, 20266030
Oct 13, 2026603-19
Oct 09, 20266220
Oct 08, 20266220
Oct 07, 20266220
Oct 06, 2026622+4
Oct 05, 20266180
Oct 02, 2026618No prior observation