OITracker Cboe delayed data

Contract OI history

Back to BX

Jan 15, 2027 EXPIRATION

BX $100.00 Put

BX270115P00100000

Latest saved OI5,527Oct 23, 2026
Last change-31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $100.00 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. 5,5582,7790 2026-10-02: 5,214 OI2026-10-05: 5,200 OI2026-10-06: 5,196 OI2026-10-07: 5,204 OI2026-10-08: 5,208 OI2026-10-09: 5,376 OI2026-10-13: 5,426 OI2026-10-14: 5,432 OI2026-10-15: 5,487 OI2026-10-16: 5,493 OI2026-10-21: 5,558 OI2026-10-23: 5,527 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, 2026Viewing5,527-31
Oct 21, 20265,558+65
Oct 16, 20265,493+6
Oct 15, 20265,487+55
Oct 14, 20265,432+6
Oct 13, 20265,426+50
Oct 09, 20265,376+168
Oct 08, 20265,208+4
Oct 07, 20265,204+8
Oct 06, 20265,196-4
Oct 05, 20265,200-14
Oct 02, 20265,214No prior observation