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Contract OI history

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Nov 20, 2026 EXPIRATION

CB $375.00 Call

CB261120C00375000

Latest saved OI536Oct 23, 2026
Last change+58vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CB $375.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5362680 2026-10-02: 382 OI2026-10-05: 382 OI2026-10-06: 382 OI2026-10-07: 382 OI2026-10-08: 382 OI2026-10-09: 382 OI2026-10-13: 382 OI2026-10-14: 382 OI2026-10-15: 385 OI2026-10-16: 384 OI2026-10-21: 478 OI2026-10-23: 536 OI Oct 02, 2026Oct 23, 2026

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

CB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing536+58
Oct 21, 2026478+94
Oct 16, 2026384-1
Oct 15, 2026385+3
Oct 14, 20263820
Oct 13, 20263820
Oct 09, 20263820
Oct 08, 20263820
Oct 07, 20263820
Oct 06, 20263820
Oct 05, 20263820
Oct 02, 2026382No prior observation