OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

OPEN $4.00 Call

OPEN261218C00004000

Latest saved OI6,416Oct 23, 2026
Last change-339vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $4.00 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. 6,7553,3770 2026-10-09: 6,247 OI2026-10-13: 6,367 OI2026-10-14: 6,367 OI2026-10-15: 6,360 OI2026-10-16: 6,579 OI2026-10-21: 6,755 OI2026-10-23: 6,416 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, 2026Viewing6,416-339
Oct 21, 20266,755+176
Oct 16, 20266,579+219
Oct 15, 20266,360-7
Oct 14, 20266,3670
Oct 13, 20266,367+120
Oct 09, 20266,247No prior observation