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Contract OI history

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Nov 20, 2026 EXPIRATION

AMPH $25.00 Call

AMPH261120C00025000

Latest saved OI17Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPH $25.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1780 2026-10-09: 15 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-16: 16 OI2026-10-20: 17 OI2026-10-23: 17 OI Oct 09, 2026Oct 23, 2026

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

AMPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing170
Oct 20, 202617+1
Oct 16, 2026160
Oct 14, 2026160
Oct 13, 202616+1
Oct 09, 202615No prior observation