OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NOW $140.00 Call

NOW261120C00140000

Latest saved OI3,774Oct 23, 2026
Last change-236vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $140.00 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. 4,5212,2600 2026-10-02: 4,269 OI2026-10-05: 4,305 OI2026-10-06: 4,341 OI2026-10-07: 4,373 OI2026-10-08: 4,373 OI2026-10-09: 4,521 OI2026-10-13: 4,281 OI2026-10-14: 4,281 OI2026-10-15: 4,164 OI2026-10-16: 4,104 OI2026-10-21: 4,010 OI2026-10-23: 3,774 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, 20263,774-236
Oct 21, 2026Viewing4,010-94
Oct 16, 20264,104-60
Oct 15, 20264,164-117
Oct 14, 20264,2810
Oct 13, 20264,281-240
Oct 09, 20264,521+148
Oct 08, 20264,3730
Oct 07, 20264,373+32
Oct 06, 20264,341+36
Oct 05, 20264,305+36
Oct 02, 20264,269No prior observation