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Contract OI history

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Jan 15, 2027 EXPIRATION

CMBT $12.50 Call

CMBT270115C00012500

Latest saved OI811Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMBT $12.50 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. 3,8741,9370 2026-10-02: 3,874 OI2026-10-05: 3,874 OI2026-10-06: 3,874 OI2026-10-07: 3,874 OI2026-10-08: 3,874 OI2026-10-09: 3,874 OI2026-10-13: 3,874 OI2026-10-15: 3,874 OI2026-10-16: 811 OI2026-10-20: 811 OI2026-10-23: 811 OI Oct 02, 2026Oct 23, 2026

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

CMBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8110
Oct 20, 20268110
Oct 16, 2026811-3,063
Oct 15, 20263,8740
Oct 13, 20263,8740
Oct 09, 20263,8740
Oct 08, 20263,8740
Oct 07, 20263,8740
Oct 06, 20263,8740
Oct 05, 20263,8740
Oct 02, 20263,874No prior observation