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Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $237.50 Call

ZS261023C00237500

Latest saved OI601Oct 23, 2026
Last change+465vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $237.50 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. 6013000 2026-10-09: 2 OI2026-10-12: 6 OI2026-10-14: 14 OI2026-10-15: 16 OI2026-10-16: 66 OI2026-10-21: 136 OI2026-10-23: 601 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, 2026Viewing601+465
Oct 21, 2026136+70
Oct 16, 202666+50
Oct 15, 202616+2
Oct 14, 202614+8
Oct 12, 20266+4
Oct 09, 20262No prior observation