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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $250.00 Put

ZS261218P00250000

Latest saved OI266Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $250.00 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: 144 OI2026-10-12: 160 OI2026-10-14: 239 OI2026-10-15: 239 OI2026-10-16: 239 OI2026-10-21: 239 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+27
Oct 21, 2026Viewing2390
Oct 16, 20262390
Oct 15, 20262390
Oct 14, 2026239+79
Oct 12, 2026160+16
Oct 09, 2026144No prior observation