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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $230.00 Put

ZS261218P00230000

Latest saved OI109Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $230.00 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. 109540 2026-10-09: 93 OI2026-10-12: 92 OI2026-10-14: 93 OI2026-10-15: 93 OI2026-10-16: 93 OI2026-10-21: 104 OI2026-10-23: 109 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, 2026109+5
Oct 21, 2026Viewing104+11
Oct 16, 2026930
Oct 15, 2026930
Oct 14, 202693+1
Oct 12, 202692-1
Oct 09, 202693No prior observation