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Contract OI history

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Oct 30, 2026 EXPIRATION

ZS $210.00 Put

ZS261030P00210000

Latest saved OI1,063Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $210.00 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. 1,0635310 2026-10-09: 669 OI2026-10-12: 1,006 OI2026-10-14: 1,018 OI2026-10-15: 1,016 OI2026-10-16: 1,010 OI2026-10-21: 1,053 OI2026-10-23: 1,063 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, 20261,063+10
Oct 21, 2026Viewing1,053+43
Oct 16, 20261,010-6
Oct 15, 20261,016-2
Oct 14, 20261,018+12
Oct 12, 20261,006+337
Oct 09, 2026669No prior observation