OITracker Cboe delayed data

Contract OI history

Back to ON

Jan 15, 2027 EXPIRATION

ON $85.00 Call

ON270115C00085000

Latest saved OI1,217Oct 23, 2026
Last change+338vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $85.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2176080 2026-10-09: 793 OI2026-10-13: 809 OI2026-10-14: 809 OI2026-10-15: 813 OI2026-10-16: 811 OI2026-10-21: 879 OI2026-10-23: 1,217 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, 2026Viewing1,217+338
Oct 21, 2026879+68
Oct 16, 2026811-2
Oct 15, 2026813+4
Oct 14, 20268090
Oct 13, 2026809+16
Oct 09, 2026793No prior observation