OITracker Cboe delayed data

Contract OI history

Back to NOW

Jan 21, 2028 EXPIRATION

NOW $180.00 Call

NOW280121C00180000

Latest saved OI555Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $180.00 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. 5662830 2026-10-02: 478 OI2026-10-05: 478 OI2026-10-06: 485 OI2026-10-07: 485 OI2026-10-08: 485 OI2026-10-09: 481 OI2026-10-13: 510 OI2026-10-14: 510 OI2026-10-15: 510 OI2026-10-16: 522 OI2026-10-21: 566 OI2026-10-23: 555 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, 2026Viewing555-11
Oct 21, 2026566+44
Oct 16, 2026522+12
Oct 15, 20265100
Oct 14, 20265100
Oct 13, 2026510+29
Oct 09, 2026481-4
Oct 08, 20264850
Oct 07, 20264850
Oct 06, 2026485+7
Oct 05, 20264780
Oct 02, 2026478No prior observation