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Contract OI history

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Jan 15, 2027 EXPIRATION

ZS $240.00 Put

ZS270115P00240000

Latest saved OI266Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $240.00 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. 2661330 2026-10-09: 228 OI2026-10-12: 228 OI2026-10-14: 256 OI2026-10-15: 255 OI2026-10-16: 255 OI2026-10-21: 254 OI2026-10-23: 266 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, 2026266+12
Oct 21, 2026Viewing254-1
Oct 16, 20262550
Oct 15, 2026255-1
Oct 14, 2026256+28
Oct 12, 20262280
Oct 09, 2026228No prior observation