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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $330.00 Call

ZS261218C00330000

Latest saved OI381Oct 23, 2026
Last change-8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $330.00 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. 3891940 2026-10-09: 382 OI2026-10-12: 388 OI2026-10-14: 389 OI2026-10-15: 389 OI2026-10-16: 389 OI2026-10-21: 389 OI2026-10-23: 381 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, 2026Viewing381-8
Oct 21, 20263890
Oct 16, 20263890
Oct 15, 20263890
Oct 14, 2026389+1
Oct 12, 2026388+6
Oct 09, 2026382No prior observation