OITracker Cboe delayed data

Contract OI history

Back to NOW

Dec 18, 2026 EXPIRATION

NOW $115.00 Call

NOW261218C00115000

Latest saved OI567Oct 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 $115.00 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. 5672830 2026-10-02: 554 OI2026-10-05: 558 OI2026-10-06: 558 OI2026-10-07: 558 OI2026-10-08: 558 OI2026-10-09: 556 OI2026-10-13: 554 OI2026-10-14: 554 OI2026-10-15: 558 OI2026-10-16: 551 OI2026-10-21: 567 OI2026-10-23: 567 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, 2026Viewing5670
Oct 21, 2026567+16
Oct 16, 2026551-7
Oct 15, 2026558+4
Oct 14, 20265540
Oct 13, 2026554-2
Oct 09, 2026556-2
Oct 08, 20265580
Oct 07, 20265580
Oct 06, 20265580
Oct 05, 2026558+4
Oct 02, 2026554No prior observation