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Contract OI history

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Nov 20, 2026 EXPIRATION

ZBRA $340.00 Put

ZBRA261120P00340000

Latest saved OI31Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZBRA $340.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 31150 2026-10-09: 23 OI2026-10-12: 23 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 26 OI2026-10-21: 28 OI2026-10-23: 31 OI Oct 09, 2026Oct 23, 2026

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

ZBRA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing31+3
Oct 21, 202628+2
Oct 16, 202626-1
Oct 15, 2026270
Oct 14, 202627+4
Oct 12, 2026230
Oct 09, 202623No prior observation