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Contract OI history

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Nov 20, 2026 EXPIRATION

ZS $145.00 Put

ZS261120P00145000

Latest saved OI343Oct 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 $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. 3571780 2026-10-09: 357 OI2026-10-12: 353 OI2026-10-14: 345 OI2026-10-15: 345 OI2026-10-16: 345 OI2026-10-21: 343 OI2026-10-23: 343 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, 20263430
Oct 21, 2026Viewing343-2
Oct 16, 20263450
Oct 15, 20263450
Oct 14, 2026345-8
Oct 12, 2026353-4
Oct 09, 2026357No prior observation