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Contract OI history

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Apr 16, 2027 EXPIRATION

CBZ $55.00 Call

CBZ270416C00055000

Latest saved OI678Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CBZ $55.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6783390 2026-10-02: 666 OI2026-10-05: 666 OI2026-10-06: 666 OI2026-10-07: 675 OI2026-10-08: 675 OI2026-10-09: 675 OI2026-10-13: 675 OI2026-10-14: 675 OI2026-10-16: 678 OI2026-10-20: 678 OI2026-10-23: 678 OI Oct 02, 2026Oct 23, 2026

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

CBZ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6780
Oct 20, 20266780
Oct 16, 2026678+3
Oct 14, 20266750
Oct 13, 20266750
Oct 09, 20266750
Oct 08, 20266750
Oct 07, 2026675+9
Oct 06, 20266660
Oct 05, 20266660
Oct 02, 2026666No prior observation