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Contract OI history

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Nov 20, 2026 EXPIRATION

NBBK $22.50 Put

NBBK261120P00022500

Latest saved OI446Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
NBBK $22.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4462230 2026-10-08: 446 OI2026-10-09: 446 OI2026-10-13: 446 OI2026-10-14: 446 OI2026-10-16: 446 OI2026-10-20: 446 OI2026-10-23: 446 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, 2026Viewing4460
Oct 20, 20264460
Oct 16, 20264460
Oct 14, 20264460
Oct 13, 20264460
Oct 09, 20264460
Oct 08, 2026446No prior observation