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Contract OI history

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Nov 20, 2026 EXPIRATION

INSM $110.00 Put

INSM261120P00110000

Latest saved OI288Oct 21, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
INSM $110.00 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. 2891440 2026-10-09: 289 OI2026-10-13: 289 OI2026-10-15: 287 OI2026-10-16: 288 OI2026-10-21: 288 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, 2026Viewing2880
Oct 16, 2026288+1
Oct 15, 2026287-2
Oct 13, 20262890
Oct 09, 2026289No prior observation