OITracker Cboe delayed data

Contract OI history

Back to ZM

Oct 23, 2026 EXPIRATION

ZM $91.00 Put

ZM261023P00091000

Latest saved OI195Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $91.00 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. 197980 2026-10-09: 20 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 48 OI2026-10-16: 48 OI2026-10-21: 197 OI2026-10-23: 195 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, 2026195-2
Oct 21, 2026Viewing197+149
Oct 16, 2026480
Oct 15, 202648+25
Oct 14, 2026230
Oct 13, 202623+3
Oct 09, 202620No prior observation