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Contract OI history

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Nov 20, 2026 EXPIRATION

AMBQ $55.00 Call

AMBQ261120C00055000

Latest saved OI40Oct 20, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBQ $55.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 40200 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 25 OI2026-10-16: 40 OI2026-10-20: 40 OI Oct 02, 2026Oct 20, 2026

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

AMBQ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing400
Oct 16, 202640+15
Oct 14, 202625+16
Oct 13, 202690
Oct 09, 202690
Oct 08, 202690
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation