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Contract OI history

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Nov 20, 2026 EXPIRATION

ZS $185.00 Put

ZS261120P00185000

Latest saved OI790Oct 23, 2026
Last change+102vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $185.00 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. 7903950 2026-10-09: 372 OI2026-10-12: 368 OI2026-10-14: 432 OI2026-10-15: 433 OI2026-10-16: 437 OI2026-10-21: 688 OI2026-10-23: 790 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, 2026790+102
Oct 21, 2026Viewing688+251
Oct 16, 2026437+4
Oct 15, 2026433+1
Oct 14, 2026432+64
Oct 12, 2026368-4
Oct 09, 2026372No prior observation