OITracker Cboe delayed data

Contract OI history

Back to ON

Feb 19, 2027 EXPIRATION

ON $65.00 Put

ON270219P00065000

Latest saved OI1,130Oct 23, 2026
Last change+639vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $65.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,1305650 2026-10-09: 138 OI2026-10-13: 483 OI2026-10-14: 483 OI2026-10-15: 483 OI2026-10-16: 484 OI2026-10-21: 491 OI2026-10-23: 1,130 OI Oct 09, 2026Oct 23, 2026

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

ON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,130+639
Oct 21, 2026491+7
Oct 16, 2026484+1
Oct 15, 20264830
Oct 14, 20264830
Oct 13, 2026483+345
Oct 09, 2026138No prior observation