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Contract OI history

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Oct 23, 2026 EXPIRATION

BLSH $30.00 Put

BLSH261023P00030000

Latest saved OI89Oct 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 $30.00 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. 89440 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 11 OI2026-10-07: 11 OI2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-16: 26 OI2026-10-20: 89 OI2026-10-23: 89 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, 2026Viewing890
Oct 20, 202689+63
Oct 16, 202626+2
Oct 14, 2026240
Oct 13, 202624+3
Oct 09, 2026210
Oct 08, 202621+10
Oct 07, 2026110
Oct 06, 2026110
Oct 05, 2026110
Oct 02, 202611No prior observation