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Contract OI history

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Jan 15, 2027 EXPIRATION

BLSH $12.50 Put

BLSH270115P00012500

Latest saved OI177Oct 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 $12.50 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. 177880 2026-10-02: 177 OI2026-10-05: 177 OI2026-10-06: 177 OI2026-10-07: 177 OI2026-10-08: 177 OI2026-10-09: 177 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-16: 177 OI2026-10-20: 177 OI2026-10-23: 177 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, 2026Viewing1770
Oct 20, 20261770
Oct 16, 20261770
Oct 14, 20261770
Oct 13, 20261770
Oct 09, 20261770
Oct 08, 20261770
Oct 07, 20261770
Oct 06, 20261770
Oct 05, 20261770
Oct 02, 2026177No prior observation