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Contract OI history

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Dec 18, 2026 EXPIRATION

ZM $135.00 Call

ZM261218C00135000

Latest saved OI431Oct 23, 2026
Last change+91vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $135.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4312150 2026-10-09: 302 OI2026-10-13: 303 OI2026-10-14: 303 OI2026-10-15: 303 OI2026-10-16: 298 OI2026-10-21: 340 OI2026-10-23: 431 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, 2026Viewing431+91
Oct 21, 2026340+42
Oct 16, 2026298-5
Oct 15, 20263030
Oct 14, 20263030
Oct 13, 2026303+1
Oct 09, 2026302No prior observation