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Contract OI history

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Jan 19, 2029 EXPIRATION

ZS $300.00 Call

ZS290119C00300000

Latest saved OI139Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $300.00 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. 143710 2026-10-09: 141 OI2026-10-12: 143 OI2026-10-14: 143 OI2026-10-15: 143 OI2026-10-16: 138 OI2026-10-21: 138 OI2026-10-23: 139 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, 2026Viewing139+1
Oct 21, 20261380
Oct 16, 2026138-5
Oct 15, 20261430
Oct 14, 20261430
Oct 12, 2026143+2
Oct 09, 2026141No prior observation