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Contract OI history

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Dec 18, 2026 EXPIRATION

OPAL $2.50 Call

OPAL261218C00002500

Latest saved OI786Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OPAL $2.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 7893940 2026-10-08: 789 OI2026-10-09: 789 OI2026-10-13: 779 OI2026-10-14: 779 OI2026-10-16: 779 OI2026-10-20: 779 OI2026-10-23: 786 OI Oct 08, 2026Oct 23, 2026

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

OPAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing786+7
Oct 20, 20267790
Oct 16, 20267790
Oct 14, 20267790
Oct 13, 2026779-10
Oct 09, 20267890
Oct 08, 2026789No prior observation