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Contract OI history

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Feb 19, 2027 EXPIRATION

ZION $72.50 Call

ZION270219C00072500

Latest saved OI207Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZION $72.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2071030 2026-10-09: 204 OI2026-10-14: 203 OI2026-10-15: 203 OI2026-10-16: 203 OI2026-10-21: 207 OI2026-10-23: 207 OI Oct 09, 2026Oct 23, 2026

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

ZION contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2070
Oct 21, 2026207+4
Oct 16, 20262030
Oct 15, 20262030
Oct 14, 2026203-1
Oct 09, 2026204No prior observation