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Contract OI history

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Dec 15, 2028 EXPIRATION

AMBA $87.50 Call

AMBA281215C00087500

Latest saved OI1,269Oct 21, 2026
Last change+18vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $87.50 call open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 1,2696340 2026-10-09: 0 OI2026-10-13: 599 OI2026-10-14: 716 OI2026-10-16: 1,251 OI2026-10-21: 1,269 OI Oct 09, 2026Oct 21, 2026

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

AMBA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing1,269+18
Oct 16, 20261,251+535
Oct 14, 2026716+117
Oct 13, 2026599+599
Oct 09, 20260No prior observation