OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

IBKR $100.00 Call

IBKR261218C00100000

Latest saved OI700Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $100.00 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. 7173580 2026-10-09: 703 OI2026-10-13: 702 OI2026-10-14: 703 OI2026-10-15: 694 OI2026-10-16: 717 OI2026-10-21: 706 OI2026-10-23: 700 OI Oct 09, 2026Oct 23, 2026

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

IBKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing700-6
Oct 21, 2026706-11
Oct 16, 2026717+23
Oct 15, 2026694-9
Oct 14, 2026703+1
Oct 13, 2026702-1
Oct 09, 2026703No prior observation