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Contract OI history

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Nov 20, 2026 EXPIRATION

INSP $45.00 Put

INSP261120P00045000

Latest saved OI247Oct 20, 2026
Last change+207vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
INSP $45.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2471230 2026-10-02: 40 OI2026-10-05: 40 OI2026-10-06: 40 OI2026-10-07: 40 OI2026-10-08: 40 OI2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-16: 40 OI2026-10-20: 247 OI Oct 02, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

INSP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing247+207
Oct 16, 2026400
Oct 14, 2026400
Oct 13, 2026400
Oct 09, 2026400
Oct 08, 2026400
Oct 07, 2026400
Oct 06, 2026400
Oct 05, 2026400
Oct 02, 202640No prior observation