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Contract OI history

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Jan 21, 2028 EXPIRATION

INSM $125.00 Put

INSM280121P00125000

Latest saved OI2Oct 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 $125.00 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. 210 2026-10-09: 2 OI2026-10-13: 2 OI2026-10-15: 2 OI2026-10-16: 2 OI2026-10-21: 2 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, 2026Viewing20
Oct 16, 202620
Oct 15, 202620
Oct 13, 202620
Oct 09, 20262No prior observation