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Contract OI history

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Oct 23, 2026 EXPIRATION

BLSH $39.00 Call

BLSH261023C00039000

Latest saved OI105Oct 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 $39.00 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. 110550 2026-10-02: 106 OI2026-10-05: 105 OI2026-10-06: 105 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 105 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-16: 106 OI2026-10-20: 106 OI2026-10-23: 105 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, 2026Viewing105-1
Oct 20, 20261060
Oct 16, 20261060
Oct 14, 20261060
Oct 13, 2026106+1
Oct 09, 2026105-5
Oct 08, 20261100
Oct 07, 2026110+5
Oct 06, 20261050
Oct 05, 2026105-1
Oct 02, 2026106No prior observation