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Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $155.00 Put

ZS261023P00155000

Latest saved OI231Oct 23, 2026
Last change+43vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $155.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2311150 2026-10-09: 184 OI2026-10-12: 184 OI2026-10-14: 184 OI2026-10-15: 184 OI2026-10-16: 184 OI2026-10-21: 188 OI2026-10-23: 231 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, 2026Viewing231+43
Oct 21, 2026188+4
Oct 16, 20261840
Oct 15, 20261840
Oct 14, 20261840
Oct 12, 20261840
Oct 09, 2026184No prior observation