OITracker Cboe delayed data

Contract OI history

Back to NOW

Dec 18, 2026 EXPIRATION

NOW $124.00 Call

NOW261218C00124000

Latest saved OI551Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $124.00 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. 5512750 2026-10-02: 536 OI2026-10-05: 541 OI2026-10-06: 540 OI2026-10-07: 539 OI2026-10-08: 539 OI2026-10-09: 539 OI2026-10-13: 535 OI2026-10-14: 535 OI2026-10-15: 535 OI2026-10-16: 535 OI2026-10-21: 539 OI2026-10-23: 551 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, 2026Viewing551+12
Oct 21, 2026539+4
Oct 16, 20265350
Oct 15, 20265350
Oct 14, 20265350
Oct 13, 2026535-4
Oct 09, 20265390
Oct 08, 20265390
Oct 07, 2026539-1
Oct 06, 2026540-1
Oct 05, 2026541+5
Oct 02, 2026536No prior observation