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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $145.00 Put

ZS261218P00145000

Latest saved OI448Oct 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 $145.00 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. 4522260 2026-10-09: 452 OI2026-10-12: 451 OI2026-10-14: 449 OI2026-10-15: 449 OI2026-10-16: 449 OI2026-10-21: 449 OI2026-10-23: 448 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, 2026448-1
Oct 21, 2026Viewing4490
Oct 16, 20264490
Oct 15, 20264490
Oct 14, 2026449-2
Oct 12, 2026451-1
Oct 09, 2026452No prior observation