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Contract OI history

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Nov 20, 2026 EXPIRATION

NBBK $22.50 Call

NBBK261120C00022500

Latest saved OI30Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
NBBK $22.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 30150 2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-16: 21 OI2026-10-20: 21 OI2026-10-23: 30 OI Oct 08, 2026Oct 23, 2026

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

NBBK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing30+9
Oct 20, 2026210
Oct 16, 202621+10
Oct 14, 2026110
Oct 13, 202611+9
Oct 09, 202620
Oct 08, 20262No prior observation