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Contract OI history

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Jun 17, 2027 EXPIRATION

BX $115.00 Put

BX270617P00115000

Latest saved OI602Oct 23, 2026
Last change0vs 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. 6083040 2026-10-02: 608 OI2026-10-05: 608 OI2026-10-06: 606 OI2026-10-07: 605 OI2026-10-08: 597 OI2026-10-09: 598 OI2026-10-13: 598 OI2026-10-14: 598 OI2026-10-15: 598 OI2026-10-16: 598 OI2026-10-21: 602 OI2026-10-23: 602 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, 2026Viewing6020
Oct 21, 2026602+4
Oct 16, 20265980
Oct 15, 20265980
Oct 14, 20265980
Oct 13, 20265980
Oct 09, 2026598+1
Oct 08, 2026597-8
Oct 07, 2026605-1
Oct 06, 2026606-2
Oct 05, 20266080
Oct 02, 2026608No prior observation