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Contract OI history

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Jan 21, 2028 EXPIRATION

AMSC $50.00 Call

AMSC280121C00050000

Latest saved OI205Oct 23, 2026
Last change+76vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMSC $50.00 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. 2051020 2026-10-08: 133 OI2026-10-09: 133 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-16: 130 OI2026-10-21: 129 OI2026-10-23: 205 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, 2026Viewing205+76
Oct 21, 2026129-1
Oct 16, 2026130-3
Oct 14, 20261330
Oct 13, 20261330
Oct 09, 20261330
Oct 08, 2026133No prior observation