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Contract OI history

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Nov 20, 2026 EXPIRATION

CBZ $55.00 Call

CBZ261120C00055000

Latest saved OI166Oct 23, 2026
Last change+6vs 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. 166830 2026-10-02: 157 OI2026-10-05: 157 OI2026-10-06: 157 OI2026-10-07: 157 OI2026-10-08: 157 OI2026-10-09: 157 OI2026-10-13: 157 OI2026-10-14: 157 OI2026-10-16: 157 OI2026-10-20: 160 OI2026-10-23: 166 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, 2026Viewing166+6
Oct 20, 2026160+3
Oct 16, 20261570
Oct 14, 20261570
Oct 13, 20261570
Oct 09, 20261570
Oct 08, 20261570
Oct 07, 20261570
Oct 06, 20261570
Oct 05, 20261570
Oct 02, 2026157No prior observation