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Contract OI history

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Jan 21, 2028 EXPIRATION

BX $125.00 Put

BX280121P00125000

Latest saved OI1,097Oct 23, 2026
Last change0vs 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. 1,0995490 2026-10-02: 848 OI2026-10-05: 848 OI2026-10-06: 848 OI2026-10-07: 848 OI2026-10-08: 848 OI2026-10-09: 849 OI2026-10-13: 849 OI2026-10-14: 1,099 OI2026-10-15: 1,097 OI2026-10-16: 1,097 OI2026-10-21: 1,097 OI2026-10-23: 1,097 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, 2026Viewing1,0970
Oct 21, 20261,0970
Oct 16, 20261,0970
Oct 15, 20261,097-2
Oct 14, 20261,099+250
Oct 13, 20268490
Oct 09, 2026849+1
Oct 08, 20268480
Oct 07, 20268480
Oct 06, 20268480
Oct 05, 20268480
Oct 02, 2026848No prior observation