OITracker Cboe delayed data

Contract OI history

Back to BX

Feb 19, 2027 EXPIRATION

BX $100.00 Put

BX270219P00100000

Latest saved OI380Oct 23, 2026
Last change-15vs 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. 3951970 2026-10-02: 230 OI2026-10-05: 248 OI2026-10-06: 247 OI2026-10-07: 255 OI2026-10-08: 257 OI2026-10-09: 305 OI2026-10-13: 306 OI2026-10-14: 329 OI2026-10-15: 331 OI2026-10-16: 333 OI2026-10-21: 395 OI2026-10-23: 380 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, 2026Viewing380-15
Oct 21, 2026395+62
Oct 16, 2026333+2
Oct 15, 2026331+2
Oct 14, 2026329+23
Oct 13, 2026306+1
Oct 09, 2026305+48
Oct 08, 2026257+2
Oct 07, 2026255+8
Oct 06, 2026247-1
Oct 05, 2026248+18
Oct 02, 2026230No prior observation