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Contract OI history

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Dec 18, 2026 EXPIRATION

CZR $28.00 Put

CZR261218P00028000

Latest saved OI2,422Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CZR $28.00 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. 2,4241,2120 2026-10-08: 2,424 OI2026-10-09: 2,424 OI2026-10-13: 2,419 OI2026-10-14: 2,419 OI2026-10-15: 2,419 OI2026-10-16: 2,419 OI2026-10-21: 2,422 OI2026-10-23: 2,422 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, 2026Viewing2,4220
Oct 21, 20262,422+3
Oct 16, 20262,4190
Oct 15, 20262,4190
Oct 14, 20262,4190
Oct 13, 20262,419-5
Oct 09, 20262,4240
Oct 08, 20262,424No prior observation