OITracker Cboe delayed data

Contract OI history

Back to BIRK

Apr 16, 2027 EXPIRATION

BIRK $30.00 Put

BIRK270416P00030000

Latest saved OI1,019Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BIRK $30.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0195090 2026-10-02: 1,017 OI2026-10-05: 1,018 OI2026-10-06: 1,018 OI2026-10-07: 1,018 OI2026-10-08: 1,018 OI2026-10-09: 1,019 OI2026-10-13: 1,019 OI2026-10-14: 1,019 OI2026-10-15: 1,019 OI2026-10-16: 1,019 OI2026-10-20: 1,019 OI2026-10-23: 1,019 OI Oct 02, 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, 2026Viewing1,0190
Oct 20, 20261,0190
Oct 16, 20261,0190
Oct 15, 20261,0190
Oct 14, 20261,0190
Oct 13, 20261,0190
Oct 09, 20261,019+1
Oct 08, 20261,0180
Oct 07, 20261,0180
Oct 06, 20261,0180
Oct 05, 20261,018+1
Oct 02, 20261,017No prior observation