OITracker Cboe delayed data

Contract OI history

Back to ZG

Dec 18, 2026 EXPIRATION

ZG $35.00 Put

ZG261218P00035000

Latest saved OI221Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZG $35.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2211100 2026-10-08: 204 OI2026-10-09: 204 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-16: 211 OI2026-10-20: 221 OI2026-10-23: 221 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ZG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2210
Oct 20, 2026221+10
Oct 16, 2026211+7
Oct 14, 20262040
Oct 13, 20262040
Oct 09, 20262040
Oct 08, 2026204No prior observation