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Contract OI history

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Nov 20, 2026 EXPIRATION

ZS $175.00 Put

ZS261120P00175000

Latest saved OI455Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $175.00 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. 4622310 2026-10-09: 347 OI2026-10-12: 319 OI2026-10-14: 291 OI2026-10-15: 392 OI2026-10-16: 393 OI2026-10-21: 462 OI2026-10-23: 455 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, 2026455-7
Oct 21, 2026Viewing462+69
Oct 16, 2026393+1
Oct 15, 2026392+101
Oct 14, 2026291-28
Oct 12, 2026319-28
Oct 09, 2026347No prior observation