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Contract OI history

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Jan 19, 2029 EXPIRATION

BX $115.00 Put

BX290119P00115000

Latest saved OI2,589Oct 23, 2026
Last change+20vs 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. 2,5891,2940 2026-10-02: 525 OI2026-10-05: 525 OI2026-10-06: 526 OI2026-10-07: 540 OI2026-10-08: 540 OI2026-10-09: 2,567 OI2026-10-13: 2,567 OI2026-10-14: 2,568 OI2026-10-15: 2,568 OI2026-10-16: 2,568 OI2026-10-21: 2,569 OI2026-10-23: 2,589 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, 2026Viewing2,589+20
Oct 21, 20262,569+1
Oct 16, 20262,5680
Oct 15, 20262,5680
Oct 14, 20262,568+1
Oct 13, 20262,5670
Oct 09, 20262,567+2,027
Oct 08, 20265400
Oct 07, 2026540+14
Oct 06, 2026526+1
Oct 05, 20265250
Oct 02, 2026525No prior observation