OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NOW $100.00 Put

NOW261120P00100000

Latest saved OI1,370Oct 23, 2026
Last change-55vs 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. 1,4967480 2026-10-02: 1,345 OI2026-10-05: 1,350 OI2026-10-06: 1,496 OI2026-10-07: 1,486 OI2026-10-08: 1,486 OI2026-10-09: 1,473 OI2026-10-13: 1,437 OI2026-10-14: 1,437 OI2026-10-15: 1,468 OI2026-10-16: 1,461 OI2026-10-21: 1,425 OI2026-10-23: 1,370 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, 20261,370-55
Oct 21, 2026Viewing1,425-36
Oct 16, 20261,461-7
Oct 15, 20261,468+31
Oct 14, 20261,4370
Oct 13, 20261,437-36
Oct 09, 20261,473-13
Oct 08, 20261,4860
Oct 07, 20261,486-10
Oct 06, 20261,496+146
Oct 05, 20261,350+5
Oct 02, 20261,345No prior observation