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Contract OI history

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Oct 30, 2026 EXPIRATION

ZS $207.50 Call

ZS261030C00207500

Latest saved OI272Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $207.50 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. 2721360 2026-10-09: 196 OI2026-10-12: 196 OI2026-10-14: 196 OI2026-10-15: 196 OI2026-10-16: 196 OI2026-10-21: 262 OI2026-10-23: 272 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, 2026272+10
Oct 21, 2026Viewing262+66
Oct 16, 20261960
Oct 15, 20261960
Oct 14, 20261960
Oct 12, 20261960
Oct 09, 2026196No prior observation