OITracker Cboe delayed data

Contract OI history

Back to CZR

Sep 15, 2028 EXPIRATION

CZR $30.00 Call

CZR280915C00030000

Latest saved OI185Oct 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 $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. 185920 2026-10-08: 184 OI2026-10-09: 185 OI2026-10-13: 185 OI2026-10-14: 185 OI2026-10-15: 185 OI2026-10-16: 185 OI2026-10-21: 185 OI2026-10-23: 185 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, 2026Viewing1850
Oct 21, 20261850
Oct 16, 20261850
Oct 15, 20261850
Oct 14, 20261850
Oct 13, 20261850
Oct 09, 2026185+1
Oct 08, 2026184No prior observation