OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

OPEN $9.00 Call

OPEN261218C00009000

Latest saved OI784Oct 23, 2026
Last change+95vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $9.00 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. 7843920 2026-10-09: 592 OI2026-10-13: 689 OI2026-10-14: 689 OI2026-10-15: 688 OI2026-10-16: 688 OI2026-10-21: 689 OI2026-10-23: 784 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing784+95
Oct 21, 2026689+1
Oct 16, 20266880
Oct 15, 2026688-1
Oct 14, 20266890
Oct 13, 2026689+97
Oct 09, 2026592No prior observation