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Contract OI history

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Jan 15, 2027 EXPIRATION

CBAT $2.50 Call

CBAT270115C00002500

Latest saved OI559Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CBAT $2.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5592790 2026-10-09: 525 OI2026-10-13: 525 OI2026-10-14: 525 OI2026-10-16: 529 OI2026-10-20: 559 OI2026-10-23: 559 OI Oct 09, 2026Oct 23, 2026

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

CBAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5590
Oct 20, 2026559+30
Oct 16, 2026529+4
Oct 14, 20265250
Oct 13, 20265250
Oct 09, 2026525No prior observation