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Contract OI history

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Jan 15, 2027 EXPIRATION

ZS $310.00 Call

ZS270115C00310000

Latest saved OI328Oct 23, 2026
Last change+70vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $310.00 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. 3281640 2026-10-09: 194 OI2026-10-12: 258 OI2026-10-14: 258 OI2026-10-15: 258 OI2026-10-16: 258 OI2026-10-21: 258 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.

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026328+70
Oct 21, 2026Viewing2580
Oct 16, 20262580
Oct 15, 20262580
Oct 14, 20262580
Oct 12, 2026258+64
Oct 09, 2026194No prior observation