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Contract OI history

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Nov 20, 2026 EXPIRATION

OII $35.00 Put

OII261120P00035000

Latest saved OI122Oct 23, 2026
Last change+121vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OII $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 122610 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 1 OI2026-10-23: 122 OI Oct 02, 2026Oct 23, 2026

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

OII contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing122+121
Oct 21, 202610
Oct 16, 202610
Oct 15, 202610
Oct 14, 202610
Oct 13, 202610
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation