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Contract OI history

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Dec 18, 2026 EXPIRATION

CNTB $2.50 Call

CNTB261218C00002500

Latest saved OI3,201Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CNTB $2.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3,2011,6000 2026-10-08: 3,171 OI2026-10-13: 3,171 OI2026-10-14: 3,201 OI2026-10-16: 3,201 OI2026-10-20: 3,201 OI2026-10-23: 3,201 OI Oct 08, 2026Oct 23, 2026

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

CNTB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,2010
Oct 20, 20263,2010
Oct 16, 20263,2010
Oct 14, 20263,201+30
Oct 13, 20263,1710
Oct 08, 20263,171No prior observation