OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

ON $75.00 Call

ON270416C00075000

Latest saved OI1,578Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $75.00 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. 1,5787890 2026-10-09: 1,517 OI2026-10-13: 1,517 OI2026-10-14: 1,517 OI2026-10-15: 1,517 OI2026-10-16: 1,517 OI2026-10-21: 1,574 OI2026-10-23: 1,578 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, 2026Viewing1,578+4
Oct 21, 20261,574+57
Oct 16, 20261,5170
Oct 15, 20261,5170
Oct 14, 20261,5170
Oct 13, 20261,5170
Oct 09, 20261,517No prior observation