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Contract OI history

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Dec 18, 2026 EXPIRATION

ZM $85.00 Put

ZM261218P00085000

Latest saved OI573Oct 23, 2026
Last change+256vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $85.00 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. 5732860 2026-10-09: 302 OI2026-10-13: 301 OI2026-10-14: 301 OI2026-10-15: 300 OI2026-10-16: 299 OI2026-10-21: 317 OI2026-10-23: 573 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, 2026Viewing573+256
Oct 21, 2026317+18
Oct 16, 2026299-1
Oct 15, 2026300-1
Oct 14, 20263010
Oct 13, 2026301-1
Oct 09, 2026302No prior observation