OITracker Cboe delayed data

Contract OI history

Back to BAX

Jan 15, 2027 EXPIRATION

BAX $20.00 Call

BAX270115C00020000

Latest saved OI3,668Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $20.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,6691,8340 2026-10-02: 3,665 OI2026-10-05: 3,663 OI2026-10-06: 3,663 OI2026-10-07: 3,663 OI2026-10-08: 3,663 OI2026-10-09: 3,669 OI2026-10-13: 3,669 OI2026-10-14: 3,669 OI2026-10-15: 3,667 OI2026-10-16: 3,658 OI2026-10-21: 3,668 OI2026-10-23: 3,668 OI Oct 02, 2026Oct 23, 2026

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

BAX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,6680
Oct 21, 20263,668+10
Oct 16, 20263,658-9
Oct 15, 20263,667-2
Oct 14, 20263,6690
Oct 13, 20263,6690
Oct 09, 20263,669+6
Oct 08, 20263,6630
Oct 07, 20263,6630
Oct 06, 20263,6630
Oct 05, 20263,663-2
Oct 02, 20263,665No prior observation