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Contract OI history

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Dec 18, 2026 EXPIRATION

ZM $75.00 Put

ZM261218P00075000

Latest saved OI1,140Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $75.00 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. 1,1655820 2026-10-09: 1,165 OI2026-10-13: 1,142 OI2026-10-14: 1,142 OI2026-10-15: 1,142 OI2026-10-16: 1,141 OI2026-10-21: 1,141 OI2026-10-23: 1,140 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, 20261,140-1
Oct 21, 2026Viewing1,1410
Oct 16, 20261,141-1
Oct 15, 20261,1420
Oct 14, 20261,1420
Oct 13, 20261,142-23
Oct 09, 20261,165No prior observation