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Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $222.50 Put

ZS261023P00222500

Latest saved OI323Oct 23, 2026
Last change+42vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $222.50 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. 3231610 2026-10-09: 13 OI2026-10-12: 109 OI2026-10-14: 277 OI2026-10-15: 280 OI2026-10-16: 281 OI2026-10-21: 281 OI2026-10-23: 323 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, 2026323+42
Oct 21, 2026Viewing2810
Oct 16, 2026281+1
Oct 15, 2026280+3
Oct 14, 2026277+168
Oct 12, 2026109+96
Oct 09, 202613No prior observation