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Contract OI history

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May 21, 2027 EXPIRATION

AMBA $77.50 Call

AMBA270521C00077500

Latest saved OI17Oct 21, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $77.50 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. 1780 2026-10-09: 17 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-16: 17 OI2026-10-21: 17 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, 2026Viewing170
Oct 16, 2026170
Oct 14, 2026170
Oct 13, 2026170
Oct 09, 202617No prior observation