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Contract OI history

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Jan 15, 2027 EXPIRATION

ZS $340.00 Call

ZS270115C00340000

Latest saved OI129Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $340.00 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. 129640 2026-10-09: 128 OI2026-10-12: 129 OI2026-10-14: 129 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-21: 127 OI2026-10-23: 129 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, 2026Viewing129+2
Oct 21, 2026127-2
Oct 16, 20261290
Oct 15, 20261290
Oct 14, 20261290
Oct 12, 2026129+1
Oct 09, 2026128No prior observation