OITracker Cboe delayed data

Contract OI history

Back to NOW

Dec 18, 2026 EXPIRATION

NOW $45.00 Put

NOW261218P00045000

Latest saved OI622Oct 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 $45.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6313150 2026-10-02: 623 OI2026-10-05: 623 OI2026-10-06: 622 OI2026-10-07: 622 OI2026-10-08: 622 OI2026-10-09: 623 OI2026-10-13: 622 OI2026-10-14: 622 OI2026-10-15: 622 OI2026-10-16: 631 OI2026-10-21: 622 OI2026-10-23: 622 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, 2026Viewing6220
Oct 21, 2026622-9
Oct 16, 2026631+9
Oct 15, 20266220
Oct 14, 20266220
Oct 13, 2026622-1
Oct 09, 2026623+1
Oct 08, 20266220
Oct 07, 20266220
Oct 06, 2026622-1
Oct 05, 20266230
Oct 02, 2026623No prior observation