OITracker Cboe delayed data

Contract OI history

Back to ONON

Mar 19, 2027 EXPIRATION

ONON $35.00 Call

ONON270319C00035000

Latest saved OI733Oct 23, 2026
Last change-426vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $35.00 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. 1,1835910 2026-10-02: 1,163 OI2026-10-05: 1,148 OI2026-10-06: 1,133 OI2026-10-07: 1,146 OI2026-10-08: 1,146 OI2026-10-09: 1,120 OI2026-10-13: 1,183 OI2026-10-14: 1,183 OI2026-10-15: 1,183 OI2026-10-16: 1,167 OI2026-10-21: 1,159 OI2026-10-23: 733 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ONON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing733-426
Oct 21, 20261,159-8
Oct 16, 20261,167-16
Oct 15, 20261,1830
Oct 14, 20261,1830
Oct 13, 20261,183+63
Oct 09, 20261,120-26
Oct 08, 20261,1460
Oct 07, 20261,146+13
Oct 06, 20261,133-15
Oct 05, 20261,148-15
Oct 02, 20261,163No prior observation