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Contract OI history

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Feb 19, 2027 EXPIRATION

INO $500.00 Put

INO270219P00000500

Latest saved OI391Oct 23, 2026
Last change+121vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
INO $500.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3911950 2026-10-08: 270 OI2026-10-09: 270 OI2026-10-13: 270 OI2026-10-14: 270 OI2026-10-15: 270 OI2026-10-16: 270 OI2026-10-21: 270 OI2026-10-23: 391 OI Oct 08, 2026Oct 23, 2026

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

INO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing391+121
Oct 21, 20262700
Oct 16, 20262700
Oct 15, 20262700
Oct 14, 20262700
Oct 13, 20262700
Oct 09, 20262700
Oct 08, 2026270No prior observation