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Contract OI history

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Dec 18, 2026 EXPIRATION

ECO $100.00 Call

ECO261218C00100000

Latest saved OI170Oct 23, 2026
Last change+13vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
ECO $100.00 call open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 170850 2026-10-16: 145 OI2026-10-21: 157 OI2026-10-23: 170 OI Oct 16, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ECO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing170+13
Oct 21, 2026157+12
Oct 16, 2026145No prior observation