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Contract OI history

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Oct 30, 2026 EXPIRATION

BLSH $26.00 Put

BLSH261030P00026000

Latest saved OI73Oct 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 $26.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 73360 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 3 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 8 OI2026-10-16: 72 OI2026-10-20: 72 OI2026-10-23: 73 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, 2026Viewing73+1
Oct 20, 2026720
Oct 16, 202672+64
Oct 14, 20268+2
Oct 13, 202660
Oct 09, 20266+1
Oct 08, 202650
Oct 07, 20265+2
Oct 06, 20263+2
Oct 05, 202610
Oct 02, 20261No prior observation