OITracker Cboe delayed data

Contract OI history

Back to ONON

Jan 15, 2027 EXPIRATION

ONON $25.00 Put

ONON270115P00025000

Latest saved OI2,388Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $25.00 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. 2,6741,3370 2026-10-02: 2,674 OI2026-10-05: 2,668 OI2026-10-06: 2,446 OI2026-10-07: 2,446 OI2026-10-08: 2,446 OI2026-10-09: 2,397 OI2026-10-13: 2,395 OI2026-10-14: 2,395 OI2026-10-15: 2,390 OI2026-10-16: 2,390 OI2026-10-21: 2,389 OI2026-10-23: 2,388 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, 2026Viewing2,388-1
Oct 21, 20262,389-1
Oct 16, 20262,3900
Oct 15, 20262,390-5
Oct 14, 20262,3950
Oct 13, 20262,395-2
Oct 09, 20262,397-49
Oct 08, 20262,4460
Oct 07, 20262,4460
Oct 06, 20262,446-222
Oct 05, 20262,668-6
Oct 02, 20262,674No prior observation