OITracker Cboe delayed data

Contract OI history

Back to NOW

Dec 18, 2026 EXPIRATION

NOW $155.00 Call

NOW261218C00155000

Latest saved OI650Oct 23, 2026
Last change+89vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $155.00 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. 6503250 2026-10-02: 523 OI2026-10-05: 522 OI2026-10-06: 524 OI2026-10-07: 515 OI2026-10-08: 515 OI2026-10-09: 478 OI2026-10-13: 480 OI2026-10-14: 480 OI2026-10-15: 495 OI2026-10-16: 501 OI2026-10-21: 561 OI2026-10-23: 650 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, 2026650+89
Oct 21, 2026Viewing561+60
Oct 16, 2026501+6
Oct 15, 2026495+15
Oct 14, 20264800
Oct 13, 2026480+2
Oct 09, 2026478-37
Oct 08, 20265150
Oct 07, 2026515-9
Oct 06, 2026524+2
Oct 05, 2026522-1
Oct 02, 2026523No prior observation