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Contract OI history

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Jan 21, 2028 EXPIRATION

BX $135.00 Call

BX280121C00135000

Latest saved OI334Oct 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 $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. 3341670 2026-10-02: 190 OI2026-10-05: 190 OI2026-10-06: 190 OI2026-10-07: 190 OI2026-10-08: 190 OI2026-10-09: 179 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-15: 203 OI2026-10-16: 332 OI2026-10-21: 333 OI2026-10-23: 334 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, 2026Viewing334+1
Oct 21, 2026333+1
Oct 16, 2026332+129
Oct 15, 2026203+24
Oct 14, 20261790
Oct 13, 20261790
Oct 09, 2026179-11
Oct 08, 20261900
Oct 07, 20261900
Oct 06, 20261900
Oct 05, 20261900
Oct 02, 2026190No prior observation