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Contract OI history

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Dec 18, 2026 EXPIRATION

CZR $30.00 Put

CZR261218P00030000

Latest saved OI630Oct 23, 2026
Last change-67vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CZR $30.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 7133560 2026-10-08: 713 OI2026-10-09: 713 OI2026-10-13: 713 OI2026-10-14: 699 OI2026-10-15: 699 OI2026-10-16: 698 OI2026-10-21: 697 OI2026-10-23: 630 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, 2026Viewing630-67
Oct 21, 2026697-1
Oct 16, 2026698-1
Oct 15, 20266990
Oct 14, 2026699-14
Oct 13, 20267130
Oct 09, 20267130
Oct 08, 2026713No prior observation