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Contract OI history

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Nov 20, 2026 EXPIRATION

BX $125.00 Put

BX261120P00125000

Latest saved OI1,440Oct 23, 2026
Last change+101vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $125.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4407200 2026-10-02: 1,224 OI2026-10-05: 1,230 OI2026-10-06: 1,232 OI2026-10-07: 1,232 OI2026-10-08: 1,230 OI2026-10-09: 1,358 OI2026-10-13: 1,358 OI2026-10-14: 1,358 OI2026-10-15: 1,351 OI2026-10-16: 1,331 OI2026-10-21: 1,339 OI2026-10-23: 1,440 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, 2026Viewing1,440+101
Oct 21, 20261,339+8
Oct 16, 20261,331-20
Oct 15, 20261,351-7
Oct 14, 20261,3580
Oct 13, 20261,3580
Oct 09, 20261,358+128
Oct 08, 20261,230-2
Oct 07, 20261,2320
Oct 06, 20261,232+2
Oct 05, 20261,230+6
Oct 02, 20261,224No prior observation