OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BTBT $2.50 Put

BTBT270115P00002500

Latest saved OI1,857Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTBT $2.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,0862,0430 2026-10-09: 4,086 OI2026-10-13: 4,086 OI2026-10-14: 4,086 OI2026-10-15: 3,779 OI2026-10-16: 3,779 OI2026-10-21: 1,858 OI2026-10-23: 1,857 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BTBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,857-1
Oct 21, 20261,858-1,921
Oct 16, 20263,7790
Oct 15, 20263,779-307
Oct 14, 20264,0860
Oct 13, 20264,0860
Oct 09, 20264,086No prior observation