OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NOW $100.00 Put

NOW280121P00100000

Latest saved OI7,390Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $100.00 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. 7,5563,7780 2026-10-02: 7,338 OI2026-10-05: 7,386 OI2026-10-06: 7,407 OI2026-10-07: 7,405 OI2026-10-08: 7,405 OI2026-10-09: 7,397 OI2026-10-13: 7,399 OI2026-10-14: 7,399 OI2026-10-15: 7,449 OI2026-10-16: 7,556 OI2026-10-21: 7,387 OI2026-10-23: 7,390 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, 20267,390+3
Oct 21, 2026Viewing7,387-169
Oct 16, 20267,556+107
Oct 15, 20267,449+50
Oct 14, 20267,3990
Oct 13, 20267,399+2
Oct 09, 20267,397-8
Oct 08, 20267,4050
Oct 07, 20267,405-2
Oct 06, 20267,407+21
Oct 05, 20267,386+48
Oct 02, 20267,338No prior observation