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Contract OI history

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Dec 18, 2026 EXPIRATION

BX $135.00 Call

BX261218C00135000

Latest saved OI959Oct 23, 2026
Last change+114vs 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. 9594790 2026-10-02: 743 OI2026-10-05: 762 OI2026-10-06: 819 OI2026-10-07: 821 OI2026-10-08: 822 OI2026-10-09: 828 OI2026-10-13: 833 OI2026-10-14: 833 OI2026-10-15: 822 OI2026-10-16: 832 OI2026-10-21: 845 OI2026-10-23: 959 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, 2026Viewing959+114
Oct 21, 2026845+13
Oct 16, 2026832+10
Oct 15, 2026822-11
Oct 14, 20268330
Oct 13, 2026833+5
Oct 09, 2026828+6
Oct 08, 2026822+1
Oct 07, 2026821+2
Oct 06, 2026819+57
Oct 05, 2026762+19
Oct 02, 2026743No prior observation