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Contract OI history

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Nov 20, 2026 EXPIRATION

NBBK $20.00 Call

NBBK261120C00020000

Latest saved OI63Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
NBBK $20.00 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. 63310 2026-10-08: 62 OI2026-10-09: 62 OI2026-10-13: 62 OI2026-10-14: 62 OI2026-10-16: 62 OI2026-10-20: 62 OI2026-10-23: 63 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, 2026Viewing63+1
Oct 20, 2026620
Oct 16, 2026620
Oct 14, 2026620
Oct 13, 2026620
Oct 09, 2026620
Oct 08, 202662No prior observation