OITracker Cboe delayed data

Contract OI history

Back to BIRK

Dec 18, 2026 EXPIRATION

BIRK $30.00 Call

BIRK261218C00030000

Latest saved OI59Oct 23, 2026
Last change0vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
BIRK $30.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 59290 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-20: 59 OI2026-10-23: 59 OI Oct 15, 2026Oct 23, 2026

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

BIRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing590
Oct 20, 202659+59
Oct 16, 202600
Oct 15, 20260No prior observation