OITracker Cboe delayed data

Contract OI history

Back to BTI

Jul 21, 2028 EXPIRATION

BTI $45.00 Put

BTI280721P00045000

Latest saved OI393Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTI $45.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3931960 2026-10-02: 43 OI2026-10-05: 43 OI2026-10-06: 43 OI2026-10-07: 43 OI2026-10-09: 43 OI2026-10-13: 43 OI2026-10-15: 46 OI2026-10-16: 393 OI2026-10-21: 393 OI2026-10-23: 393 OI Oct 02, 2026Oct 23, 2026

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

BTI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3930
Oct 21, 20263930
Oct 16, 2026393+347
Oct 15, 202646+3
Oct 13, 2026430
Oct 09, 2026430
Oct 07, 2026430
Oct 06, 2026430
Oct 05, 2026430
Oct 02, 202643No prior observation