OITracker Cboe delayed data

Contract OI history

Back to BAX

Nov 20, 2026 EXPIRATION

BAX $30.00 Call

BAX261120C00030000

Latest saved OI2,969Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $30.00 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. 2,9751,4870 2026-10-02: 2,975 OI2026-10-05: 2,975 OI2026-10-06: 2,975 OI2026-10-07: 2,975 OI2026-10-08: 2,970 OI2026-10-09: 2,970 OI2026-10-13: 2,953 OI2026-10-14: 2,963 OI2026-10-15: 2,963 OI2026-10-16: 2,969 OI2026-10-21: 2,970 OI2026-10-23: 2,969 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, 2026Viewing2,969-1
Oct 21, 20262,970+1
Oct 16, 20262,969+6
Oct 15, 20262,9630
Oct 14, 20262,963+10
Oct 13, 20262,953-17
Oct 09, 20262,9700
Oct 08, 20262,970-5
Oct 07, 20262,9750
Oct 06, 20262,9750
Oct 05, 20262,9750
Oct 02, 20262,975No prior observation