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Contract OI history

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Jan 21, 2028 EXPIRATION

ZM $100.00 Call

ZM280121C00100000

Latest saved OI723Oct 23, 2026
Last change+26vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $100.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7233610 2026-10-09: 697 OI2026-10-13: 695 OI2026-10-14: 695 OI2026-10-15: 695 OI2026-10-16: 695 OI2026-10-21: 697 OI2026-10-23: 723 OI Oct 09, 2026Oct 23, 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 23, 2026723+26
Oct 21, 2026Viewing697+2
Oct 16, 20266950
Oct 15, 20266950
Oct 14, 20266950
Oct 13, 2026695-2
Oct 09, 2026697No prior observation