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Contract OI history

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Dec 18, 2026 EXPIRATION

BIP $35.00 Put

BIP261218P00035000

Latest saved OI318Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BIP $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3281640 2026-10-02: 328 OI2026-10-05: 328 OI2026-10-06: 328 OI2026-10-07: 326 OI2026-10-08: 326 OI2026-10-09: 326 OI2026-10-13: 326 OI2026-10-14: 323 OI2026-10-16: 323 OI2026-10-20: 316 OI2026-10-23: 318 OI Oct 02, 2026Oct 23, 2026

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

BIP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing318+2
Oct 20, 2026316-7
Oct 16, 20263230
Oct 14, 2026323-3
Oct 13, 20263260
Oct 09, 20263260
Oct 08, 20263260
Oct 07, 2026326-2
Oct 06, 20263280
Oct 05, 20263280
Oct 02, 2026328No prior observation