OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BX $170.00 Call

BX270115C00170000

Latest saved OI2,316Oct 23, 2026
Last change-12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $170.00 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. 2,6161,3080 2026-10-02: 2,616 OI2026-10-05: 2,613 OI2026-10-06: 2,239 OI2026-10-07: 2,238 OI2026-10-08: 2,221 OI2026-10-09: 2,197 OI2026-10-13: 2,197 OI2026-10-14: 2,302 OI2026-10-15: 2,335 OI2026-10-16: 2,335 OI2026-10-21: 2,328 OI2026-10-23: 2,316 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, 2026Viewing2,316-12
Oct 21, 20262,328-7
Oct 16, 20262,3350
Oct 15, 20262,335+33
Oct 14, 20262,302+105
Oct 13, 20262,1970
Oct 09, 20262,197-24
Oct 08, 20262,221-17
Oct 07, 20262,238-1
Oct 06, 20262,239-374
Oct 05, 20262,613-3
Oct 02, 20262,616No prior observation