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Contract OI history

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Nov 20, 2026 EXPIRATION

ACGL $90.00 Put

ACGL261120P00090000

Latest saved OI536Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACGL $90.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5362680 2026-10-09: 372 OI2026-10-13: 372 OI2026-10-14: 374 OI2026-10-15: 374 OI2026-10-16: 374 OI2026-10-21: 535 OI2026-10-23: 536 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, 2026Viewing536+1
Oct 21, 2026535+161
Oct 16, 20263740
Oct 15, 20263740
Oct 14, 2026374+2
Oct 13, 20263720
Oct 09, 2026372No prior observation