OITracker Cboe delayed data

Contract OI history

Back to NOW

Mar 19, 2027 EXPIRATION

NOW $55.00 Put

NOW270319P00055000

Latest saved OI223Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $55.00 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. 2231110 2026-10-02: 148 OI2026-10-05: 148 OI2026-10-06: 148 OI2026-10-07: 148 OI2026-10-08: 148 OI2026-10-09: 148 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 223 OI2026-10-23: 223 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, 2026Viewing2230
Oct 21, 2026223+75
Oct 16, 20261480
Oct 15, 20261480
Oct 14, 20261480
Oct 13, 20261480
Oct 09, 20261480
Oct 08, 20261480
Oct 07, 20261480
Oct 06, 20261480
Oct 05, 20261480
Oct 02, 2026148No prior observation