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Contract OI history

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Jan 15, 2027 EXPIRATION

ZGN $12.50 Call

ZGN270115C00012500

Latest saved OI15Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZGN $12.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1990 2026-10-02: 19 OI2026-10-05: 19 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 19 OI2026-10-09: 19 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-16: 15 OI2026-10-21: 15 OI2026-10-23: 15 OI Oct 02, 2026Oct 23, 2026

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

ZGN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026150
Oct 21, 2026Viewing150
Oct 16, 202615-4
Oct 14, 2026190
Oct 13, 2026190
Oct 09, 2026190
Oct 08, 2026190
Oct 07, 2026190
Oct 06, 2026190
Oct 05, 2026190
Oct 02, 202619No prior observation