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Contract OI history

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Nov 13, 2026 EXPIRATION

ZS $215.00 Put

ZS261113P00215000

Latest saved OI4Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $215.00 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. 420 2026-10-09: 1 OI2026-10-12: 3 OI2026-10-14: 3 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 3 OI2026-10-23: 4 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, 2026Viewing4+1
Oct 21, 202630
Oct 16, 202630
Oct 15, 202630
Oct 14, 202630
Oct 12, 20263+2
Oct 09, 20261No prior observation