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Contract OI history

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Nov 20, 2026 EXPIRATION

INV $2.50 Put

INV261120P00002500

Latest saved OI660Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
INV $2.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 6643320 2026-10-08: 664 OI2026-10-09: 664 OI2026-10-13: 660 OI2026-10-14: 660 OI2026-10-16: 660 OI2026-10-20: 660 OI Oct 08, 2026Oct 20, 2026

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

INV contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing6600
Oct 16, 20266600
Oct 14, 20266600
Oct 13, 2026660-4
Oct 09, 20266640
Oct 08, 2026664No prior observation