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Contract OI history

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Jan 19, 2029 EXPIRATION

BX $135.00 Call

BX290119C00135000

Latest saved OI1,281Oct 23, 2026
Last change+2vs 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. 1,2816400 2026-10-02: 1,279 OI2026-10-05: 1,280 OI2026-10-06: 1,280 OI2026-10-07: 1,280 OI2026-10-08: 1,280 OI2026-10-09: 1,280 OI2026-10-13: 1,280 OI2026-10-14: 1,280 OI2026-10-15: 1,279 OI2026-10-16: 1,279 OI2026-10-21: 1,279 OI2026-10-23: 1,281 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, 2026Viewing1,281+2
Oct 21, 20261,2790
Oct 16, 20261,2790
Oct 15, 20261,279-1
Oct 14, 20261,2800
Oct 13, 20261,2800
Oct 09, 20261,2800
Oct 08, 20261,2800
Oct 07, 20261,2800
Oct 06, 20261,2800
Oct 05, 20261,280+1
Oct 02, 20261,279No prior observation