OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

BX $120.00 Call

BX270617C00120000

Latest saved OI617Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $120.00 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. 6203100 2026-10-02: 265 OI2026-10-05: 265 OI2026-10-06: 409 OI2026-10-07: 455 OI2026-10-08: 455 OI2026-10-09: 460 OI2026-10-13: 464 OI2026-10-14: 476 OI2026-10-15: 484 OI2026-10-16: 486 OI2026-10-21: 620 OI2026-10-23: 617 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, 2026Viewing617-3
Oct 21, 2026620+134
Oct 16, 2026486+2
Oct 15, 2026484+8
Oct 14, 2026476+12
Oct 13, 2026464+4
Oct 09, 2026460+5
Oct 08, 20264550
Oct 07, 2026455+46
Oct 06, 2026409+144
Oct 05, 20262650
Oct 02, 2026265No prior observation