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Contract OI history

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Dec 18, 2026 EXPIRATION

ZS $280.00 Call

ZS261218C00280000

Latest saved OI439Oct 23, 2026
Last change+70vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $280.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4392190 2026-10-09: 272 OI2026-10-12: 289 OI2026-10-14: 355 OI2026-10-15: 358 OI2026-10-16: 356 OI2026-10-21: 369 OI2026-10-23: 439 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, 2026439+70
Oct 21, 2026Viewing369+13
Oct 16, 2026356-2
Oct 15, 2026358+3
Oct 14, 2026355+66
Oct 12, 2026289+17
Oct 09, 2026272No prior observation