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Contract OI history

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Mar 19, 2027 EXPIRATION

CNTB $2.00 Call

CNTB270319C00002000

Latest saved OI351Oct 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 $2.00 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. 3511750 2026-10-08: 0 OI2026-10-13: 0 OI2026-10-14: 200 OI2026-10-16: 351 OI2026-10-20: 351 OI2026-10-23: 351 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, 2026Viewing3510
Oct 20, 20263510
Oct 16, 2026351+151
Oct 14, 2026200+200
Oct 13, 202600
Oct 08, 20260No prior observation