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Contract OI history

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Dec 18, 2026 EXPIRATION

BLSH $22.50 Call

BLSH261218C00022500

Latest saved OI459Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $22.50 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. 4592290 2026-10-02: 457 OI2026-10-05: 457 OI2026-10-06: 457 OI2026-10-07: 457 OI2026-10-08: 457 OI2026-10-09: 457 OI2026-10-13: 457 OI2026-10-14: 458 OI2026-10-16: 458 OI2026-10-20: 458 OI2026-10-23: 459 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, 2026Viewing459+1
Oct 20, 20264580
Oct 16, 20264580
Oct 14, 2026458+1
Oct 13, 20264570
Oct 09, 20264570
Oct 08, 20264570
Oct 07, 20264570
Oct 06, 20264570
Oct 05, 20264570
Oct 02, 2026457No prior observation