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Contract OI history

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Jan 21, 2028 EXPIRATION

INSM $100.00 Call

INSM280121C00100000

Latest saved OI298Oct 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 $100.00 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. 2981490 2026-10-09: 296 OI2026-10-13: 296 OI2026-10-15: 297 OI2026-10-16: 297 OI2026-10-21: 298 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, 2026Viewing298+1
Oct 16, 20262970
Oct 15, 2026297+1
Oct 13, 20262960
Oct 09, 2026296No prior observation