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Contract OI history

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Nov 13, 2026 EXPIRATION

ZM $85.00 Put

ZM261113P00085000

Latest saved OI292Oct 21, 2026
Last change+44vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $85.00 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. 2921460 2026-10-09: 257 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 248 OI2026-10-16: 248 OI2026-10-21: 292 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, 2026Viewing292+44
Oct 16, 20262480
Oct 15, 2026248-9
Oct 14, 20262570
Oct 13, 20262570
Oct 09, 2026257No prior observation