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Contract OI history

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Jan 15, 2027 EXPIRATION

INSM $90.00 Put

INSM270115P00090000

Latest saved OI700Oct 21, 2026
Last change+1vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
INSM $90.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 7003500 2026-10-09: 700 OI2026-10-13: 699 OI2026-10-15: 699 OI2026-10-16: 699 OI2026-10-21: 700 OI Oct 09, 2026Oct 21, 2026

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

INSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing700+1
Oct 16, 20266990
Oct 15, 20266990
Oct 13, 2026699-1
Oct 09, 2026700No prior observation