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Contract OI history

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Jan 15, 2027 EXPIRATION

INSM $120.00 Put

INSM270115P00120000

Latest saved OI1,496Oct 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 $120.00 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. 1,4967480 2026-10-09: 1,496 OI2026-10-13: 1,496 OI2026-10-15: 1,496 OI2026-10-16: 1,496 OI2026-10-21: 1,496 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, 2026Viewing1,4960
Oct 16, 20261,4960
Oct 15, 20261,4960
Oct 13, 20261,4960
Oct 09, 20261,496No prior observation