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Contract OI history

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Dec 18, 2026 EXPIRATION

ZM $77.50 Put

ZM261218P00077500

Latest saved OI686Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $77.50 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. 6863430 2026-10-09: 684 OI2026-10-13: 684 OI2026-10-14: 684 OI2026-10-15: 684 OI2026-10-16: 684 OI2026-10-21: 686 OI2026-10-23: 686 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, 20266860
Oct 21, 2026Viewing686+2
Oct 16, 20266840
Oct 15, 20266840
Oct 14, 20266840
Oct 13, 20266840
Oct 09, 2026684No prior observation