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Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $180.00 Put

ZS261023P00180000

Latest saved OI232Oct 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 $180.00 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. 2321160 2026-10-09: 222 OI2026-10-12: 218 OI2026-10-14: 218 OI2026-10-15: 216 OI2026-10-16: 221 OI2026-10-21: 232 OI2026-10-23: 232 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, 2026Viewing2320
Oct 21, 2026232+11
Oct 16, 2026221+5
Oct 15, 2026216-2
Oct 14, 20262180
Oct 12, 2026218-4
Oct 09, 2026222No prior observation