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Contract OI history

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Sep 17, 2027 EXPIRATION

BX $125.00 Call

BX270917C00125000

Latest saved OI440Oct 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 $125.00 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. 4402200 2026-10-02: 284 OI2026-10-05: 359 OI2026-10-06: 364 OI2026-10-07: 419 OI2026-10-08: 423 OI2026-10-09: 424 OI2026-10-13: 424 OI2026-10-14: 424 OI2026-10-15: 424 OI2026-10-16: 436 OI2026-10-21: 439 OI2026-10-23: 440 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, 2026Viewing440+1
Oct 21, 2026439+3
Oct 16, 2026436+12
Oct 15, 20264240
Oct 14, 20264240
Oct 13, 20264240
Oct 09, 2026424+1
Oct 08, 2026423+4
Oct 07, 2026419+55
Oct 06, 2026364+5
Oct 05, 2026359+75
Oct 02, 2026284No prior observation