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Contract OI history

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Nov 20, 2026 EXPIRATION

ACGL $100.00 Call

ACGL261120C00100000

Latest saved OI658Oct 23, 2026
Last change-45vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACGL $100.00 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. 1,3846920 2026-10-09: 1,384 OI2026-10-13: 1,331 OI2026-10-14: 986 OI2026-10-15: 800 OI2026-10-16: 736 OI2026-10-21: 703 OI2026-10-23: 658 OI Oct 09, 2026Oct 23, 2026

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

ACGL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing658-45
Oct 21, 2026703-33
Oct 16, 2026736-64
Oct 15, 2026800-186
Oct 14, 2026986-345
Oct 13, 20261,331-53
Oct 09, 20261,384No prior observation