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Contract OI history

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Jun 17, 2027 EXPIRATION

ZS $240.00 Call

ZS270617C00240000

Latest saved OI339Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $240.00 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. 3391690 2026-10-09: 182 OI2026-10-12: 183 OI2026-10-14: 241 OI2026-10-15: 241 OI2026-10-16: 334 OI2026-10-21: 338 OI2026-10-23: 339 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, 2026Viewing339+1
Oct 21, 2026338+4
Oct 16, 2026334+93
Oct 15, 20262410
Oct 14, 2026241+58
Oct 12, 2026183+1
Oct 09, 2026182No prior observation