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Contract OI history

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Nov 20, 2026 EXPIRATION

CMBT $20.00 Call

CMBT261120C00020000

Latest saved OI915Oct 23, 2026
Last change+40vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMBT $20.00 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. 9154570 2026-10-02: 858 OI2026-10-05: 860 OI2026-10-06: 859 OI2026-10-07: 859 OI2026-10-08: 822 OI2026-10-09: 832 OI2026-10-13: 812 OI2026-10-15: 791 OI2026-10-16: 829 OI2026-10-20: 875 OI2026-10-23: 915 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, 2026Viewing915+40
Oct 20, 2026875+46
Oct 16, 2026829+38
Oct 15, 2026791-21
Oct 13, 2026812-20
Oct 09, 2026832+10
Oct 08, 2026822-37
Oct 07, 20268590
Oct 06, 2026859-1
Oct 05, 2026860+2
Oct 02, 2026858No prior observation