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Contract OI history

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Jan 15, 2027 EXPIRATION

AMSC $40.00 Call

AMSC270115C00040000

Latest saved OI503Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMSC $40.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5232610 2026-10-08: 512 OI2026-10-09: 513 OI2026-10-13: 521 OI2026-10-14: 521 OI2026-10-16: 523 OI2026-10-21: 516 OI2026-10-23: 503 OI Oct 08, 2026Oct 23, 2026

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

AMSC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing503-13
Oct 21, 2026516-7
Oct 16, 2026523+2
Oct 14, 20265210
Oct 13, 2026521+8
Oct 09, 2026513+1
Oct 08, 2026512No prior observation