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Contract OI history

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Jan 21, 2028 EXPIRATION

BIRK $70.00 Call

BIRK280121C00070000

Latest saved OI1,094Oct 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 $70.00 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. 1,0945470 2026-10-02: 1,094 OI2026-10-05: 1,094 OI2026-10-06: 1,094 OI2026-10-07: 1,094 OI2026-10-08: 1,094 OI2026-10-09: 1,094 OI2026-10-13: 1,094 OI2026-10-14: 1,094 OI2026-10-15: 1,094 OI2026-10-16: 1,094 OI2026-10-20: 1,094 OI2026-10-23: 1,094 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, 2026Viewing1,0940
Oct 20, 20261,0940
Oct 16, 20261,0940
Oct 15, 20261,0940
Oct 14, 20261,0940
Oct 13, 20261,0940
Oct 09, 20261,0940
Oct 08, 20261,0940
Oct 07, 20261,0940
Oct 06, 20261,0940
Oct 05, 20261,0940
Oct 02, 20261,094No prior observation