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Contract OI history

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Jan 15, 2027 EXPIRATION

BLSH $25.00 Put

BLSH270115P00025000

Latest saved OI920Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $25.00 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. 9204600 2026-10-02: 920 OI2026-10-05: 920 OI2026-10-06: 920 OI2026-10-07: 920 OI2026-10-08: 920 OI2026-10-09: 920 OI2026-10-13: 920 OI2026-10-14: 920 OI2026-10-16: 920 OI2026-10-20: 920 OI2026-10-23: 920 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, 2026Viewing9200
Oct 20, 20269200
Oct 16, 20269200
Oct 14, 20269200
Oct 13, 20269200
Oct 09, 20269200
Oct 08, 20269200
Oct 07, 20269200
Oct 06, 20269200
Oct 05, 20269200
Oct 02, 2026920No prior observation