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Contract OI history

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Nov 20, 2026 EXPIRATION

AMSC $29.00 Put

AMSC261120P00029000

Latest saved OI154Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMSC $29.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 155770 2026-10-08: 17 OI2026-10-09: 17 OI2026-10-13: 127 OI2026-10-14: 137 OI2026-10-16: 137 OI2026-10-21: 155 OI2026-10-23: 154 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, 2026Viewing154-1
Oct 21, 2026155+18
Oct 16, 20261370
Oct 14, 2026137+10
Oct 13, 2026127+110
Oct 09, 2026170
Oct 08, 202617No prior observation