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Contract OI history

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Jan 15, 2027 EXPIRATION

BLSH $65.00 Call

BLSH270115C00065000

Latest saved OI651Oct 23, 2026
Last change-20vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $65.00 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. 6763380 2026-10-02: 671 OI2026-10-05: 671 OI2026-10-06: 671 OI2026-10-07: 670 OI2026-10-08: 664 OI2026-10-09: 664 OI2026-10-13: 676 OI2026-10-14: 676 OI2026-10-16: 676 OI2026-10-20: 671 OI2026-10-23: 651 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, 2026Viewing651-20
Oct 20, 2026671-5
Oct 16, 20266760
Oct 14, 20266760
Oct 13, 2026676+12
Oct 09, 20266640
Oct 08, 2026664-6
Oct 07, 2026670-1
Oct 06, 20266710
Oct 05, 20266710
Oct 02, 2026671No prior observation