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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $220.00 Put

ZS261218P00220000

Latest saved OI792Oct 23, 2026
Last change+91vs 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. 7923960 2026-10-09: 639 OI2026-10-12: 640 OI2026-10-14: 656 OI2026-10-15: 660 OI2026-10-16: 680 OI2026-10-21: 701 OI2026-10-23: 792 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, 2026792+91
Oct 21, 2026Viewing701+21
Oct 16, 2026680+20
Oct 15, 2026660+4
Oct 14, 2026656+16
Oct 12, 2026640+1
Oct 09, 2026639No prior observation