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Contract OI history

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Dec 18, 2026 EXPIRATION

ZG $25.00 Put

ZG261218P00025000

Latest saved OI589Oct 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 $25.00 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. 6433210 2026-10-08: 443 OI2026-10-09: 443 OI2026-10-13: 643 OI2026-10-14: 643 OI2026-10-16: 589 OI2026-10-20: 589 OI2026-10-23: 589 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, 2026Viewing5890
Oct 20, 20265890
Oct 16, 2026589-54
Oct 14, 20266430
Oct 13, 2026643+200
Oct 09, 20264430
Oct 08, 2026443No prior observation