OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

R $280.00 Call

R261218C00280000

Latest saved OI10Oct 23, 2026
Last change+10vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
R $280.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 1050 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 0 OI2026-10-23: 10 OI Oct 15, 2026Oct 23, 2026

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

R contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10+10
Oct 21, 202600
Oct 16, 202600
Oct 15, 20260No prior observation