OITracker Cboe delayed data

Contract OI history

Back to ON

Jan 15, 2027 EXPIRATION

ON $70.00 Put

ON270115P00070000

Latest saved OI1,496Oct 23, 2026
Last change+289vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $70.00 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. 1,4967480 2026-10-09: 1,200 OI2026-10-13: 1,203 OI2026-10-14: 1,203 OI2026-10-15: 1,229 OI2026-10-16: 1,231 OI2026-10-21: 1,207 OI2026-10-23: 1,496 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, 2026Viewing1,496+289
Oct 21, 20261,207-24
Oct 16, 20261,231+2
Oct 15, 20261,229+26
Oct 14, 20261,2030
Oct 13, 20261,203+3
Oct 09, 20261,200No prior observation