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Contract OI history

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Nov 20, 2026 EXPIRATION

ZION $72.50 Call

ZION261120C00072500

Latest saved OI328Oct 23, 2026
Last change+4vs 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. 3281640 2026-10-09: 308 OI2026-10-14: 307 OI2026-10-15: 307 OI2026-10-16: 307 OI2026-10-21: 324 OI2026-10-23: 328 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, 2026Viewing328+4
Oct 21, 2026324+17
Oct 16, 20263070
Oct 15, 20263070
Oct 14, 2026307-1
Oct 09, 2026308No prior observation