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Contract OI history

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Jan 21, 2028 EXPIRATION

BX $115.00 Call

BX280121C00115000

Latest saved OI1,440Oct 23, 2026
Last change+34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $115.00 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. 1,4407200 2026-10-02: 1,384 OI2026-10-05: 1,385 OI2026-10-06: 1,385 OI2026-10-07: 1,385 OI2026-10-08: 1,385 OI2026-10-09: 1,385 OI2026-10-13: 1,385 OI2026-10-14: 1,385 OI2026-10-15: 1,385 OI2026-10-16: 1,386 OI2026-10-21: 1,406 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+34
Oct 21, 20261,406+20
Oct 16, 20261,386+1
Oct 15, 20261,3850
Oct 14, 20261,3850
Oct 13, 20261,3850
Oct 09, 20261,3850
Oct 08, 20261,3850
Oct 07, 20261,3850
Oct 06, 20261,3850
Oct 05, 20261,385+1
Oct 02, 20261,384No prior observation