OITracker Cboe delayed data

Contract OI history

Back to ZM

Oct 23, 2026 EXPIRATION

ZM $115.00 Call

ZM261023C00115000

Latest saved OI389Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $115.00 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. 3891940 2026-10-09: 281 OI2026-10-13: 281 OI2026-10-14: 281 OI2026-10-15: 315 OI2026-10-16: 315 OI2026-10-21: 386 OI2026-10-23: 389 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, 2026389+3
Oct 21, 2026Viewing386+71
Oct 16, 20263150
Oct 15, 2026315+34
Oct 14, 20262810
Oct 13, 20262810
Oct 09, 2026281No prior observation