OITracker Cboe delayed data

Contract OI history

Back to ZM

Nov 20, 2026 EXPIRATION

ZM $110.00 Put

ZM261120P00110000

Latest saved OI87Oct 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 $110.00 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. 87430 2026-10-09: 85 OI2026-10-13: 85 OI2026-10-14: 85 OI2026-10-15: 85 OI2026-10-16: 86 OI2026-10-21: 86 OI2026-10-23: 87 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, 202687+1
Oct 21, 2026Viewing860
Oct 16, 202686+1
Oct 15, 2026850
Oct 14, 2026850
Oct 13, 2026850
Oct 09, 202685No prior observation