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Contract OI history

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Nov 20, 2026 EXPIRATION

ZS $280.00 Call

ZS261120C00280000

Latest saved OI398Oct 23, 2026
Last change+192vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $280.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3981990 2026-10-09: 211 OI2026-10-12: 226 OI2026-10-14: 218 OI2026-10-15: 218 OI2026-10-16: 217 OI2026-10-21: 206 OI2026-10-23: 398 OI Oct 09, 2026Oct 23, 2026

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

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026398+192
Oct 21, 2026Viewing206-11
Oct 16, 2026217-1
Oct 15, 20262180
Oct 14, 2026218-8
Oct 12, 2026226+15
Oct 09, 2026211No prior observation