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Contract OI history

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Jan 15, 2027 EXPIRATION

CBZ $55.00 Call

CBZ270115C00055000

Latest saved OI257Oct 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. 2571280 2026-10-02: 225 OI2026-10-05: 235 OI2026-10-06: 235 OI2026-10-07: 235 OI2026-10-08: 235 OI2026-10-09: 235 OI2026-10-13: 235 OI2026-10-14: 247 OI2026-10-16: 257 OI2026-10-20: 257 OI2026-10-23: 257 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, 2026Viewing2570
Oct 20, 20262570
Oct 16, 2026257+10
Oct 14, 2026247+12
Oct 13, 20262350
Oct 09, 20262350
Oct 08, 20262350
Oct 07, 20262350
Oct 06, 20262350
Oct 05, 2026235+10
Oct 02, 2026225No prior observation