OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

BX $120.00 Put

BX270219P00120000

Latest saved OI1,125Oct 23, 2026
Last change+41vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $120.00 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. 1,1255620 2026-10-02: 1,087 OI2026-10-05: 1,090 OI2026-10-06: 1,086 OI2026-10-07: 1,086 OI2026-10-08: 1,084 OI2026-10-09: 1,084 OI2026-10-13: 1,084 OI2026-10-14: 1,084 OI2026-10-15: 1,084 OI2026-10-16: 1,084 OI2026-10-21: 1,084 OI2026-10-23: 1,125 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, 2026Viewing1,125+41
Oct 21, 20261,0840
Oct 16, 20261,0840
Oct 15, 20261,0840
Oct 14, 20261,0840
Oct 13, 20261,0840
Oct 09, 20261,0840
Oct 08, 20261,084-2
Oct 07, 20261,0860
Oct 06, 20261,086-4
Oct 05, 20261,090+3
Oct 02, 20261,087No prior observation