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Contract OI history

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Jan 21, 2028 EXPIRATION

ZS $220.00 Put

ZS280121P00220000

Latest saved OI289Oct 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 $220.00 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. 2921460 2026-10-09: 292 OI2026-10-12: 289 OI2026-10-14: 289 OI2026-10-15: 289 OI2026-10-16: 289 OI2026-10-21: 289 OI2026-10-23: 289 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, 20262890
Oct 21, 2026Viewing2890
Oct 16, 20262890
Oct 15, 20262890
Oct 14, 20262890
Oct 12, 2026289-3
Oct 09, 2026292No prior observation