OITracker Cboe delayed data

Contract OI history

Back to NOW

Jan 21, 2028 EXPIRATION

NOW $120.00 Put

NOW280121P00120000

Latest saved OI4,259Oct 23, 2026
Last change-21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $120.00 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. 4,5022,2510 2026-10-02: 4,502 OI2026-10-05: 4,502 OI2026-10-06: 4,502 OI2026-10-07: 4,502 OI2026-10-08: 4,502 OI2026-10-09: 4,502 OI2026-10-13: 4,237 OI2026-10-14: 4,237 OI2026-10-15: 4,237 OI2026-10-16: 4,279 OI2026-10-21: 4,280 OI2026-10-23: 4,259 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, 20264,259-21
Oct 21, 2026Viewing4,280+1
Oct 16, 20264,279+42
Oct 15, 20264,2370
Oct 14, 20264,2370
Oct 13, 20264,237-265
Oct 09, 20264,5020
Oct 08, 20264,5020
Oct 07, 20264,5020
Oct 06, 20264,5020
Oct 05, 20264,5020
Oct 02, 20264,502No prior observation