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Contract OI history

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Oct 23, 2026 EXPIRATION

BX $115.00 Put

BX261023P00115000

Latest saved OI355Oct 23, 2026
Last change-66vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $115.00 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. 4212100 2026-10-02: 390 OI2026-10-05: 390 OI2026-10-06: 390 OI2026-10-07: 390 OI2026-10-08: 389 OI2026-10-09: 396 OI2026-10-13: 408 OI2026-10-14: 410 OI2026-10-15: 415 OI2026-10-16: 418 OI2026-10-21: 421 OI2026-10-23: 355 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, 2026Viewing355-66
Oct 21, 2026421+3
Oct 16, 2026418+3
Oct 15, 2026415+5
Oct 14, 2026410+2
Oct 13, 2026408+12
Oct 09, 2026396+7
Oct 08, 2026389-1
Oct 07, 20263900
Oct 06, 20263900
Oct 05, 20263900
Oct 02, 2026390No prior observation