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Contract OI history

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Mar 19, 2027 EXPIRATION

BX $140.00 Call

BX270319C00140000

Latest saved OI424Oct 23, 2026
Last change+24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $140.00 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. 4242120 2026-10-02: 260 OI2026-10-05: 350 OI2026-10-06: 352 OI2026-10-07: 351 OI2026-10-08: 351 OI2026-10-09: 352 OI2026-10-13: 402 OI2026-10-14: 402 OI2026-10-15: 402 OI2026-10-16: 402 OI2026-10-21: 400 OI2026-10-23: 424 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, 2026Viewing424+24
Oct 21, 2026400-2
Oct 16, 20264020
Oct 15, 20264020
Oct 14, 20264020
Oct 13, 2026402+50
Oct 09, 2026352+1
Oct 08, 20263510
Oct 07, 2026351-1
Oct 06, 2026352+2
Oct 05, 2026350+90
Oct 02, 2026260No prior observation