OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $224.00 Call

NOW261218C00224000

Latest saved OI1,522Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $224.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5257620 2026-10-02: 389 OI2026-10-05: 389 OI2026-10-06: 1,525 OI2026-10-07: 1,525 OI2026-10-08: 1,525 OI2026-10-09: 1,525 OI2026-10-13: 1,525 OI2026-10-14: 1,525 OI2026-10-15: 1,525 OI2026-10-16: 1,525 OI2026-10-21: 1,525 OI2026-10-23: 1,522 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, 2026Viewing1,522-3
Oct 21, 20261,5250
Oct 16, 20261,5250
Oct 15, 20261,5250
Oct 14, 20261,5250
Oct 13, 20261,5250
Oct 09, 20261,5250
Oct 08, 20261,5250
Oct 07, 20261,5250
Oct 06, 20261,525+1,136
Oct 05, 20263890
Oct 02, 2026389No prior observation