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Contract OI history

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Dec 18, 2026 EXPIRATION

ZG $22.50 Put

ZG261218P00022500

Latest saved OI729Oct 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 $22.50 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. 7913950 2026-10-08: 791 OI2026-10-09: 791 OI2026-10-13: 791 OI2026-10-14: 791 OI2026-10-16: 731 OI2026-10-20: 729 OI2026-10-23: 729 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, 2026Viewing7290
Oct 20, 2026729-2
Oct 16, 2026731-60
Oct 14, 20267910
Oct 13, 20267910
Oct 09, 20267910
Oct 08, 2026791No prior observation