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Contract OI history

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Nov 20, 2026 EXPIRATION

ZM $90.00 Put

ZM261120P00090000

Latest saved OI562Oct 21, 2026
Last change+11vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $90.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 5622810 2026-10-09: 487 OI2026-10-13: 513 OI2026-10-14: 513 OI2026-10-15: 531 OI2026-10-16: 551 OI2026-10-21: 562 OI Oct 09, 2026Oct 21, 2026

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

ZM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing562+11
Oct 16, 2026551+20
Oct 15, 2026531+18
Oct 14, 20265130
Oct 13, 2026513+26
Oct 09, 2026487No prior observation