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Contract OI history

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Dec 18, 2026 EXPIRATION

BX $115.00 Put

BX261218P00115000

Latest saved OI2,176Oct 23, 2026
Last change-22vs 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. 2,2981,1490 2026-10-02: 2,229 OI2026-10-05: 2,232 OI2026-10-06: 2,234 OI2026-10-07: 2,233 OI2026-10-08: 2,270 OI2026-10-09: 2,265 OI2026-10-13: 2,283 OI2026-10-14: 2,293 OI2026-10-15: 2,298 OI2026-10-16: 2,172 OI2026-10-21: 2,198 OI2026-10-23: 2,176 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, 2026Viewing2,176-22
Oct 21, 20262,198+26
Oct 16, 20262,172-126
Oct 15, 20262,298+5
Oct 14, 20262,293+10
Oct 13, 20262,283+18
Oct 09, 20262,265-5
Oct 08, 20262,270+37
Oct 07, 20262,233-1
Oct 06, 20262,234+2
Oct 05, 20262,232+3
Oct 02, 20262,229No prior observation