OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CZR $30.00 Call

CZR261218C00030000

Latest saved OI4,214Oct 23, 2026
Last change+1vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CZR $30.00 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4,2142,1070 2026-10-08: 4,169 OI2026-10-09: 4,169 OI2026-10-13: 4,160 OI2026-10-14: 4,160 OI2026-10-15: 4,172 OI2026-10-16: 4,172 OI2026-10-21: 4,213 OI2026-10-23: 4,214 OI Oct 08, 2026Oct 23, 2026

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

CZR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,214+1
Oct 21, 20264,213+41
Oct 16, 20264,1720
Oct 15, 20264,172+12
Oct 14, 20264,1600
Oct 13, 20264,160-9
Oct 09, 20264,1690
Oct 08, 20264,169No prior observation