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Contract OI history

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Nov 20, 2026 EXPIRATION

BX $115.00 Put

BX261120P00115000

Latest saved OI4,158Oct 23, 2026
Last change-101vs 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. 4,2592,1290 2026-10-02: 2,143 OI2026-10-05: 2,145 OI2026-10-06: 2,153 OI2026-10-07: 3,757 OI2026-10-08: 3,765 OI2026-10-09: 3,800 OI2026-10-13: 4,217 OI2026-10-14: 4,237 OI2026-10-15: 4,251 OI2026-10-16: 4,249 OI2026-10-21: 4,259 OI2026-10-23: 4,158 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, 2026Viewing4,158-101
Oct 21, 20264,259+10
Oct 16, 20264,249-2
Oct 15, 20264,251+14
Oct 14, 20264,237+20
Oct 13, 20264,217+417
Oct 09, 20263,800+35
Oct 08, 20263,765+8
Oct 07, 20263,757+1,604
Oct 06, 20262,153+8
Oct 05, 20262,145+2
Oct 02, 20262,143No prior observation