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Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $217.50 Put

ZS261023P00217500

Latest saved OI723Oct 23, 2026
Last change-168vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $217.50 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. 8914450 2026-10-09: 20 OI2026-10-12: 26 OI2026-10-14: 877 OI2026-10-15: 878 OI2026-10-16: 884 OI2026-10-21: 891 OI2026-10-23: 723 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, 2026Viewing723-168
Oct 21, 2026891+7
Oct 16, 2026884+6
Oct 15, 2026878+1
Oct 14, 2026877+851
Oct 12, 202626+6
Oct 09, 202620No prior observation