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Contract OI history

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Mar 19, 2027 EXPIRATION

ZS $240.00 Call

ZS270319C00240000

Latest saved OI249Oct 23, 2026
Last change-28vs 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. 2771380 2026-10-09: 229 OI2026-10-12: 230 OI2026-10-14: 232 OI2026-10-15: 232 OI2026-10-16: 232 OI2026-10-21: 277 OI2026-10-23: 249 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, 2026249-28
Oct 21, 2026Viewing277+45
Oct 16, 20262320
Oct 15, 20262320
Oct 14, 2026232+2
Oct 12, 2026230+1
Oct 09, 2026229No prior observation