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Contract OI history

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Sep 17, 2027 EXPIRATION

ZS $175.00 Call

ZS270917C00175000

Latest saved OI81Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $175.00 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. 85420 2026-10-09: 80 OI2026-10-12: 80 OI2026-10-14: 81 OI2026-10-15: 81 OI2026-10-16: 81 OI2026-10-21: 85 OI2026-10-23: 81 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, 202681-4
Oct 21, 2026Viewing85+4
Oct 16, 2026810
Oct 15, 2026810
Oct 14, 202681+1
Oct 12, 2026800
Oct 09, 202680No prior observation