OITracker Cboe delayed data

Contract OI history

Back to ONON

Oct 23, 2026 EXPIRATION

ONON $29.50 Put

ONON261023P00029500

Latest saved OI4Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $29.50 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 420 2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 2 OI2026-10-16: 2 OI2026-10-21: 4 OI2026-10-23: 4 OI Oct 05, 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, 2026Viewing40
Oct 21, 20264+2
Oct 16, 202620
Oct 15, 202620
Oct 14, 202620
Oct 13, 202620
Oct 09, 20262+1
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 20261No prior observation