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Contract OI history

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Jan 15, 2027 EXPIRATION

BLSH $45.00 Call

BLSH270115C00045000

Latest saved OI430Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $45.00 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. 4382190 2026-10-02: 419 OI2026-10-05: 419 OI2026-10-06: 419 OI2026-10-07: 419 OI2026-10-08: 438 OI2026-10-09: 438 OI2026-10-13: 430 OI2026-10-14: 430 OI2026-10-16: 425 OI2026-10-20: 425 OI2026-10-23: 430 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, 2026Viewing430+5
Oct 20, 20264250
Oct 16, 2026425-5
Oct 14, 20264300
Oct 13, 2026430-8
Oct 09, 20264380
Oct 08, 2026438+19
Oct 07, 20264190
Oct 06, 20264190
Oct 05, 20264190
Oct 02, 2026419No prior observation