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Contract OI history

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Apr 16, 2027 EXPIRATION

CBAT $2.50 Call

CBAT270416C00002500

Latest saved OI664Oct 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. 6643320 2026-10-09: 645 OI2026-10-13: 660 OI2026-10-14: 660 OI2026-10-16: 663 OI2026-10-20: 664 OI2026-10-23: 664 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, 2026Viewing6640
Oct 20, 2026664+1
Oct 16, 2026663+3
Oct 14, 20266600
Oct 13, 2026660+15
Oct 09, 2026645No prior observation