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Contract OI history

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Dec 17, 2027 EXPIRATION

BX $135.00 Call

BX271217C00135000

Latest saved OI879Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $135.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8794390 2026-10-02: 251 OI2026-10-05: 251 OI2026-10-06: 353 OI2026-10-07: 353 OI2026-10-08: 353 OI2026-10-09: 347 OI2026-10-13: 336 OI2026-10-14: 337 OI2026-10-15: 337 OI2026-10-16: 337 OI2026-10-21: 878 OI2026-10-23: 879 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, 2026Viewing879+1
Oct 21, 2026878+541
Oct 16, 20263370
Oct 15, 20263370
Oct 14, 2026337+1
Oct 13, 2026336-11
Oct 09, 2026347-6
Oct 08, 20263530
Oct 07, 20263530
Oct 06, 2026353+102
Oct 05, 20262510
Oct 02, 2026251No prior observation