OITracker Cboe delayed data

Contract OI history

Back to B

Oct 30, 2026 EXPIRATION

B $50.00 Call

B261030C00050000

Latest saved OI677Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $50.00 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. 6823410 2026-10-02: 682 OI2026-10-05: 682 OI2026-10-06: 682 OI2026-10-07: 672 OI2026-10-08: 677 OI2026-10-09: 677 OI2026-10-13: 677 OI2026-10-14: 677 OI2026-10-15: 677 OI2026-10-16: 677 OI2026-10-21: 677 OI2026-10-23: 677 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6770
Oct 21, 20266770
Oct 16, 20266770
Oct 15, 20266770
Oct 14, 20266770
Oct 13, 20266770
Oct 09, 20266770
Oct 08, 2026677+5
Oct 07, 2026672-10
Oct 06, 20266820
Oct 05, 20266820
Oct 02, 2026682No prior observation