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Contract OI history

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Nov 20, 2026 EXPIRATION

BLSH $35.00 Call

BLSH261120C00035000

Latest saved OI388Oct 23, 2026
Last change+122vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $35.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3881940 2026-10-02: 14 OI2026-10-05: 14 OI2026-10-06: 13 OI2026-10-07: 20 OI2026-10-08: 34 OI2026-10-09: 34 OI2026-10-13: 256 OI2026-10-14: 257 OI2026-10-16: 263 OI2026-10-20: 266 OI2026-10-23: 388 OI Oct 02, 2026Oct 23, 2026

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

BLSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing388+122
Oct 20, 2026266+3
Oct 16, 2026263+6
Oct 14, 2026257+1
Oct 13, 2026256+222
Oct 09, 2026340
Oct 08, 202634+14
Oct 07, 202620+7
Oct 06, 202613-1
Oct 05, 2026140
Oct 02, 202614No prior observation