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Contract OI history

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Jan 19, 2029 EXPIRATION

INSM $55.00 Call

INSM290119C00055000

Latest saved OI116Oct 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 $55.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 116580 2026-10-09: 0 OI2026-10-13: 112 OI2026-10-15: 113 OI2026-10-16: 115 OI2026-10-21: 116 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, 2026Viewing116+1
Oct 16, 2026115+2
Oct 15, 2026113+1
Oct 13, 2026112+112
Oct 09, 20260No prior observation