OITracker Cboe delayed data

Contract OI history

Back to BATRK

May 21, 2027 EXPIRATION

BATRK $50.00 Call

BATRK270521C00050000

Latest saved OI7Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BATRK $50.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 730 2026-10-08: 1 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 6 OI2026-10-16: 6 OI2026-10-20: 7 OI2026-10-23: 7 OI Oct 08, 2026Oct 23, 2026

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

BATRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing70
Oct 20, 20267+1
Oct 16, 202660
Oct 14, 20266+4
Oct 13, 202620
Oct 09, 20262+1
Oct 08, 20261No prior observation