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Contract OI history

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Nov 20, 2026 EXPIRATION

ZS $135.00 Put

ZS261120P00135000

Latest saved OI118Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $135.00 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. 119590 2026-10-09: 112 OI2026-10-12: 111 OI2026-10-14: 118 OI2026-10-15: 119 OI2026-10-16: 118 OI2026-10-21: 118 OI2026-10-23: 118 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, 20261180
Oct 21, 2026Viewing1180
Oct 16, 2026118-1
Oct 15, 2026119+1
Oct 14, 2026118+7
Oct 12, 2026111-1
Oct 09, 2026112No prior observation