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Contract OI history

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Dec 18, 2026 EXPIRATION

ZM $90.00 Put

ZM261218P00090000

Latest saved OI1,744Oct 23, 2026
Last change+132vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $90.00 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. 1,7448720 2026-10-09: 1,348 OI2026-10-13: 1,587 OI2026-10-14: 1,587 OI2026-10-15: 1,587 OI2026-10-16: 1,587 OI2026-10-21: 1,612 OI2026-10-23: 1,744 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, 2026Viewing1,744+132
Oct 21, 20261,612+25
Oct 16, 20261,5870
Oct 15, 20261,5870
Oct 14, 20261,5870
Oct 13, 20261,587+239
Oct 09, 20261,348No prior observation