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Contract OI history

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Oct 30, 2026 EXPIRATION

ZS $225.00 Call

ZS261030C00225000

Latest saved OI398Oct 23, 2026
Last change+74vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $225.00 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. 3981990 2026-10-09: 55 OI2026-10-12: 153 OI2026-10-14: 152 OI2026-10-15: 152 OI2026-10-16: 152 OI2026-10-21: 324 OI2026-10-23: 398 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, 2026398+74
Oct 21, 2026Viewing324+172
Oct 16, 20261520
Oct 15, 20261520
Oct 14, 2026152-1
Oct 12, 2026153+98
Oct 09, 202655No prior observation