OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

NOW $100.00 Call

NOW270319C00100000

Latest saved OI1,114Oct 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 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. 1,1175580 2026-10-02: 1,113 OI2026-10-05: 1,112 OI2026-10-06: 1,109 OI2026-10-07: 1,109 OI2026-10-08: 1,109 OI2026-10-09: 1,104 OI2026-10-13: 1,103 OI2026-10-14: 1,103 OI2026-10-15: 1,101 OI2026-10-16: 1,100 OI2026-10-21: 1,117 OI2026-10-23: 1,114 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, 2026Viewing1,114-3
Oct 21, 20261,117+17
Oct 16, 20261,100-1
Oct 15, 20261,101-2
Oct 14, 20261,1030
Oct 13, 20261,103-1
Oct 09, 20261,104-5
Oct 08, 20261,1090
Oct 07, 20261,1090
Oct 06, 20261,109-3
Oct 05, 20261,112-1
Oct 02, 20261,113No prior observation