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Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $215.00 Put

ZS261023P00215000

Latest saved OI917Oct 23, 2026
Last change+14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $215.00 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. 9174580 2026-10-09: 30 OI2026-10-12: 71 OI2026-10-14: 233 OI2026-10-15: 233 OI2026-10-16: 423 OI2026-10-21: 903 OI2026-10-23: 917 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, 2026917+14
Oct 21, 2026Viewing903+480
Oct 16, 2026423+190
Oct 15, 20262330
Oct 14, 2026233+162
Oct 12, 202671+41
Oct 09, 202630No prior observation