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Contract OI history

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Jun 17, 2027 EXPIRATION

ZS $180.00 Put

ZS270617P00180000

Latest saved OI419Oct 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 $180.00 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. 4202100 2026-10-09: 411 OI2026-10-12: 411 OI2026-10-14: 420 OI2026-10-15: 420 OI2026-10-16: 419 OI2026-10-21: 419 OI2026-10-23: 419 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, 2026Viewing4190
Oct 21, 20264190
Oct 16, 2026419-1
Oct 15, 20264200
Oct 14, 2026420+9
Oct 12, 20264110
Oct 09, 2026411No prior observation