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Contract OI history

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Dec 18, 2026 EXPIRATION

BX $100.00 Put

BX261218P00100000

Latest saved OI2,374Oct 23, 2026
Last change+182vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $100.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,4961,2480 2026-10-02: 2,471 OI2026-10-05: 2,479 OI2026-10-06: 2,496 OI2026-10-07: 2,481 OI2026-10-08: 2,488 OI2026-10-09: 2,486 OI2026-10-13: 2,455 OI2026-10-14: 2,393 OI2026-10-15: 2,448 OI2026-10-16: 2,194 OI2026-10-21: 2,192 OI2026-10-23: 2,374 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,374+182
Oct 21, 20262,192-2
Oct 16, 20262,194-254
Oct 15, 20262,448+55
Oct 14, 20262,393-62
Oct 13, 20262,455-31
Oct 09, 20262,486-2
Oct 08, 20262,488+7
Oct 07, 20262,481-15
Oct 06, 20262,496+17
Oct 05, 20262,479+8
Oct 02, 20262,471No prior observation