OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $110.00 Put

NOW261218P00110000

Latest saved OI3,234Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $110.00 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. 3,2541,6270 2026-10-02: 3,207 OI2026-10-05: 3,228 OI2026-10-06: 3,225 OI2026-10-07: 3,213 OI2026-10-08: 3,213 OI2026-10-09: 3,226 OI2026-10-13: 3,236 OI2026-10-14: 3,236 OI2026-10-15: 3,245 OI2026-10-16: 3,254 OI2026-10-21: 3,244 OI2026-10-23: 3,234 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, 2026Viewing3,234-10
Oct 21, 20263,244-10
Oct 16, 20263,254+9
Oct 15, 20263,245+9
Oct 14, 20263,2360
Oct 13, 20263,236+10
Oct 09, 20263,226+13
Oct 08, 20263,2130
Oct 07, 20263,213-12
Oct 06, 20263,225-3
Oct 05, 20263,228+21
Oct 02, 20263,207No prior observation